What does "clamshell" mean?
The shell of a clam.
Clamshell
noun, verb, slang
noun, verb, slang ·2 syllables ·Moderate ·College level
Meaning at a glance
- Primary sense: The shell of a clam.
- Grammar: clamshell is listed as noun, verb, slang.
- Nearest alternatives: grapple, mouth.
- Usage evidence: Persian rugs are on the floor, a Victorian shawl hangs above the bed, newspapers lie on the dresser and a clamshell ashtray sits next to it.
How to use "clamshell"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "clamshell" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "clamshell" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "clamshell" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "clamshell" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "clamshell" is acting as noun, verb, slang in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "grapple" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "clamshell", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 The shell of a clam.
- 2 the shell of a clam wordnet
- 3 Any object that, in (literal or figurative) resemblance to the shell of a clam, has a hinge on one edge and two surfaces that close together.
"You'll find a mix among clamshell laptops for strong laps, lunchboxes, and sewing-machine configurations; the latter two designs typically have detachable keyboards."
- 4 a dredging bucket with hinges like the shell of a clam wordnet
- 5 Any object that, in (literal or figurative) resemblance to the shell of a clam, has a hinge on one edge and two surfaces that close together.; A dredging bucket with hinges like the shell of a clam.
"The wall has been constructed one panel at a time by a machine which uses a clamshell bucket to excavate straight down to a depth of 30 metres. […] Specialised long-reach excavators with a clamshell grab then reach though the openings to lift the spoil to the surface, which is then deposited in articulated dump trucks (ADTs)."
Show 5 more definitions
- 6 Any object that, in (literal or figurative) resemblance to the shell of a clam, has a hinge on one edge and two surfaces that close together.; In food service, the closing box (usually styrofoam but sometimes cardboard) given to consumers with takeout food.
- 7 Any object that, in (literal or figurative) resemblance to the shell of a clam, has a hinge on one edge and two surfaces that close together.; A hinged case for a video tape, cassette tape, or video game cartridge.
- 8 Any object that, in (literal or figurative) resemblance to the shell of a clam, has a hinge on one edge and two surfaces that close together.; A person's mouth. US, dated, derogatory, slang
"Shut your clamshell!"
- 9 Any object with some other resemblance to either one or both halves of the shell of a clam. attributive, often
- 10 Any object with some other resemblance to either one or both halves of the shell of a clam.; An amphitheater, especially an outdoor amphitheater; the semi-circular acoustic backdrop behind and above the performers. attributive, often
Verb
- 1 To deform a die in a shape resembling the shell of a clam, as a result of uneven extrusion pressure.
"Although it produces a nonuniform pressure drop across the die and thus causes nonuniform flow through the die lip, the distribution of the melt does not produce die distortion of ^([sic]) clamshelling."
- 2 To dig out by means of a clamshell (dredging bucket).
"The additional handling that it would get by the canal would be: One dumping from the pockets into the canal barge, one clamshelling out of the canal barge, and one dumping onto the dock."
- 3 To compress or flatten underwater debris so as to avoid blocking a channel.
"In the past, when a boat sank and was judged unfit for salvage, the Coast Guard 'clamshelled' it. That is, they broke it up in order to flatten it as much as possible so it wouldn't obstruct river traffic."
- 4 To open or close by means of a hinge, similar to the way a clamshell opens and closes. ambitransitive
"To avoid getting clamshelled, first check the seat pins, then climb in before you pin the canopy."
Synonyms
All synonymsExample
"Persian rugs are on the floor, a Victorian shawl hangs above the bed, newspapers lie on the dresser and a clamshell ashtray sits next to it."
Common questions
What is a synonym for "clamshell"?
Common synonyms include: grapple, mouth.
How do you use "clamshell" in a sentence?
Persian rugs are on the floor, a Victorian shawl hangs above the bed, newspapers lie on the dresser and a clamshell ashtray sits next to it.
Etymology
From clam + shell.