SETA Meaning of SETA in English [ 'si:tə ]■ noun ( plural ~e -ti: ) chiefly Zoology a stiff hair-like or bristle-like structure.Derivatives~ceous -'teɪʃəs adjective~l adjective OriginC18: from L., 'bristle'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004