OMENTUM Meaning of OMENTUM in English [ əʊ'mɛntəm ]■ noun ( plural omenta -tə ) Anatomy a fold of peritoneum connecting the stomach with other abdominal organs.Derivativesomental adjective OriginME: from L. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004