TESTACEOUS Meaning of TESTACEOUS in English transcription, транскрипция: [ tesˈteɪʃəs ]adj. 1 Biol. having a hard continuous outer covering. 2 Bot. & Zool. of a brick-red colour. [L testaceus (as TEST(2))] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012