Trefoil

/ˈtɹɛ.fɔɪl/ noun

noun ·Moderate ·College level

Meaning at a glance

  • Primary sense: Any of several plants of the pea family, having compound, trifoliate leaves; especially one of the genus Trifolium.
  • Grammar: trefoil is listed as noun.
  • Nearest alternatives: clover, clover, clover leaf, cloverleaf.
  • Useful contrasts: monofoliate leaf, single leaf, single-leaved.
  • Usage evidence: Among field flowers the most noted are the May Lily, the Ground Ivy, the Bluebottle, Camomile and so on; and among herbs, Trefoil, Wormwood, Sorrel, the Nettle and so forth.

How to use "trefoil"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "trefoil" carries the exact meaning, tone, and strength you need.
  3. 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 "trefoil" 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 "trefoil" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "trefoil" 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 "trefoil" is acting as noun 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 "clover" 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 "trefoil", 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. 1
    Any of several plants of the pea family, having compound, trifoliate leaves; especially one of the genus Trifolium.
  2. 2
    an architectural ornament in the form of three arcs arranged in a circle wordnet
  3. 3
    A symbol having the shape of such leaves, especially when used as an architectural ornament.

    ""The pristine, unbroken condition of the vessel – sometimes called a trefoil jug – caused the entire dig to 'come to a halt,' Søvsø remarked.""

  4. 4
    a plant of the genus Trifolium wordnet
  5. 5
    Ellipsis of trefoil knot. abbreviation, alt-of, ellipsis
Show 1 more definition
  1. 6
    any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves wordnet

Antonyms

monofoliate leafsingle leafsingle-leavedsingle-lobed

Example

"Among field flowers the most noted are the May Lily, the Ground Ivy, the Bluebottle, Camomile and so on; and among herbs, Trefoil, Wormwood, Sorrel, the Nettle and so forth."

Common questions

What does "trefoil" mean?

Any of several plants of the pea family, having compound, trifoliate leaves; especially one of the genus Trifolium.

What is a synonym for "trefoil"?

Common synonyms include: clover, clover, clover leaf, cloverleaf, cloverlike, clovers.

How do you use "trefoil" in a sentence?

Among field flowers the most noted are the May Lily, the Ground Ivy, the Bluebottle, Camomile and so on; and among herbs, Trefoil, Wormwood, Sorrel, the Nettle and so forth.

How do you pronounce "trefoil"?

Pronounced /ˈtɹɛ.fɔɪl/.

Etymology

From Middle English trefoil, from Old French trifoil, trefeul, from Latin trifolium, from tri- (“three”) + folium (“leaf”).

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