CORPUS CHRISTI Meaning of CORPUS CHRISTI in English [ ˌkɔ:pəs'krɪsti ]■ noun a feast that commemorates the institution of the Eucharist, observed on the Thursday after Trinity Sunday.OriginL., lit. 'body of Christ'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004