Define Definition

dĭ-fīn

defined, defines, defining

verb

defined, defines, defining

To determine or set down the boundaries of.

Webster's New World

To determine or state the extent and nature of; describe exactly.

Define your duties.

Webster's New World

To trace the precise outlines of; delineate.

Webster's New World

To prepare definitions, as of words.

Webster's New World

To state the meaning or meanings of (as a word)

Webster's New World

Synonyms:

Antonyms:

noun

(computing, programming) A kind of macro in source code that replaces one text string with another wherever it occurs.

Wiktionary

Synonyms:

Origin of Define

Middle English definen, diffinen from Old French definir, diffiner from Latin dēfīnīre to limit, determine dē- intensive pref. de– fīnis boundary, limit

From American Heritage Dictionary of the English Language, 5th Edition
From Middle English definen, from Old French definer, variant of definir, from Latin dēfīniō (“limit, settle, define”), from dē + fīniō (“set a limit, bound, end”)

From Wiktionary