definiendum

[ dih-fin-ee-en-duh m ]
/ dɪˌfɪn iˈɛn dəm /

noun, plural de·fin·i·en·da [dih-fin-ee-en-duh] /dɪˌfɪn iˈɛn də/.

something that is or is to be defined, especially the term at the head of a dictionary entry.
Logic. an expression to be defined in terms of another expression previously defined.
Compare definiens.

Origin of definiendum

1870–75; < Latin dēfīniendum, neuter gerund of dēfīnīre; see define

British Dictionary definitions for definiendum

definiendum
/ (dɪˌfɪnɪˈɛndəm) /

noun plural -da (-də)

something to be defined, esp the term or phrase to be accounted for in a dictionary entry Compare definiens

Word Origin for definiendum

Latin