A word specifying identity or spacial or temporal location from the perspective of a speaker or hearer in the context in which the communication occurs

Wiktionary Word definitions in Wiktionary
a. (context grammar English) Of or pertaining to deixis; to a word whose meaning is dependent on context n. (context grammar English) Such a word (such as I or here)

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1828, from Latinized form of Greek deiktikos "able to show," from deiktos "shown," verbal adjective from deiknynai "to show" (see diction ).

WordNet Word definitions in WordNet
adj. relating to or characteristic of a word whose reference depends on the circumstances of its use; "deictic pronouns" n. a word specifying identity or spacial or temporal location from the perspective of a speaker or hearer in the context in which the ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Deictic \Deic"tic\ (d[imac]k"t[i^]k), a. [Gr. deiktiko`s serving to show or point out, fr. deikny`nai to show.] (Logic) Direct; proving directly; -- applied to reasoning, and opposed to elenchtic or refutative. (Grammar) showing or pointing to directly; ...