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A wall separating two cavities; a partition; as, the nasal septum.

One of the mesenteries of an anthozoan.

Relating to expansions of the nasal septum.

A separating tissue; a partition; a septum.

Having but one cell, or cavity; not divided by a septum or partition.

A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or æstivation.

Between the orbits; as, the interorbital septum.

A partition; a septum; specifically, the folds of the pleura (and the space included between them) which divide the thorax into a right and left cavity. The space included between these folds of the pleura, called the mediastinal space, contains the heart and gives passage to the esophagus and great blood vessels.…

Of or pertaining to the internasal septum.

ic osmose, or Electric endosmose (Elec.), the transportation of a liquid through a porous septum by the action of an electric current.

A division of monkeys, including the American species, which have a broad nasal septum, thirty-six teeth, and usually a prehensile tail. See Monkey. [Written also Platyrrhini.]

Of or pertaining to a septum or septa, as of a coral or a shell.

Having the form of a septum.

Of or pertaining to the nasal septum and the maxilla; situated in the region of these parts. -- n.

A little septum; a division between small cavities or parts.

A fossil rhinoceros with a vertical bony medial septum supporting the nose; the hairy rhinoceros.

Having but one septum, or partition; -- said of two-celled fruits, such as the silicles of cruciferous plants.