LATIN DICTIONARYLexicon Latīnum
English → Latin

“definition” in Latin

The English word definition itself goes back to Latin fīniō, through dēfīnītiō.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

definition
finitio; definitio (a strict definition): explicate (an explanation): To give a definition of; Vid: To DEFINE.

Quick answer

What is the Latin word for definition?
The usual Latin words for “definition” are fīnītiō, dēfīnītiō, explicō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.