[deix.is] n [Gk, lit., display, fr. deiknynai to show--more at diction] (1949): the pointing or specifying function of some words (as definite articles and demonstrative pronouns) whose denotation changes from one discourse to another
DEIXIS
Meaning of DEIXIS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012