Sed

//sɛd// name, noun, verb, slang

name, noun, verb, slang ·Moderate ·College level

Definitions

Noun

1
A line fastening a fish-hook.
2
Initialism of surface-conduction electron-emitter display. abbreviation, alt-of, countable, initialism, uncountable
3
Initialism of spectral energy distribution. abbreviation, alt-of, countable, initialism, uncountable
4
Initialism of selective eating disorder. abbreviation, alt-of, countable, initialism, uncountable
5
Initialism of self-encrypting drive. abbreviation, alt-of, countable, initialism, uncountable

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6
Initialism of socio-economic development. abbreviation, alt-of, countable, initialism, uncountable

Verb

1
To edit a file or stream of text using sed. neologism, slang
"Can you sed out those trailing spaces, please?"
2
Eye dialect spelling of said. alt-of, pronunciation-spelling

Proper Noun

1
A noninteractive text editor (originally developed in Unix), intended for making systematic edits in an automatic or batch-oriented way.
2
The Socialist Unity Party. historical
"In an interview with Jacobin to be published later this year, veteran KPO activist Theodor Bergmann tells of Heinrich Adam, prewar KPO member and mechanic at the Zeiss optics factory in Jena who joined the SED in hopes of realizing socialist unity."
3
A surname.

Synonyms

snood surface conduction electron emitter display surface-conduction electron-emitter display

Example

"'Non', 'sed', 'magnus' and 'numerus' are Latin words."

Etymology

Etymology 1

From stream editor.

Etymology 2

Borrowed from German SED (“Sozialistische Einheitspartei Deutschlands”).

Related phrases

Sed card text editor

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.