PHRATRY Meaning of PHRATRY in English [ 'freɪtri ]■ noun ( plural phratries ) Anthropology a descent group or kinship group in some tribal societies.OriginC19: from Gk phratria , from phratēr 'clansman'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004