INDICIA Meaning of INDICIA in English [ ɪn'dɪʃɪə , -sɪə ]■ plural noun formal signs, indications, or distinguishing marks.OriginC17: plural of L. indicium , from index , indic- 'informer, sign'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004