Biol. a separating membrane or partition, as that between adjacent carpels of a compound ovary
Origin of dissepimentClassical Latin dissaepimentum ; from dis-, from + saepire, to fence in: see septum
Biology A partition dividing a part or organ; a septum.
Origin of dissepimentLatin dissaepīmentum, partition, from dissaepīre, to divide : dis-, dis- + saepīre, hedge off (from saepēs, hedge).