DECASTYLE Meaning of DECASTYLE in English [ 'dɛkəstʌɪl ]■ adjective Architecture (of a temple or portico) having ten columns.OriginC18: from Gk dekastulos , from deka 'ten' + stulos 'column'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004