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A separating tissue; a partition; a septum.

To cause to be separate; to keep apart by a partition, or by an imaginary line or limit; as, a wall divides two houses; a stream divides the towns. Let it divide the waters from the waters. Gen. i. 6.

That which divides or keeps apart; a partition.

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

sema (Med.), a common disease of the lungs in which the air cells are distended and their partition walls ruptured by an abnormal pressure of the air contained in them.

A curved fold or process of the dura mater or the peritoneum; esp., one of the partitionlike folds of the dura mater which extend into the great fissures of the brain.

the water line. (b) (Arch.) A horizontal section, showing the thickness of the walls and partitions, arrangement of passages, apartments, and openings at the level of any floor of a house.

A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent.

Satin flower; the name of two cruciferous herbs having large flat pods, the round shining partitions of which are more beautiful than the blossom; -- called also lunary and moonwort. Lunaria biennis is common honesty; L. rediva is perennial honesty.

the cylinders of hydraulic elevators, cranes, etc. (b) (Gas Works) An inverted cup with a partition dipping into water, for opening or closing communication between two gas mains, the open ends of which protrude about the water.

Not partible; not subject to partition; indivisible; as, an impartible estate. Blackatone.

Between the auricles; as, the interauricular partition of the heart.

Between the ventricles; as, the interventricular partition of the heart.

Divided by internal partitions into cells, as the pith of the pokeweed.

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.…

aracterized by separation into two or more parts or sections by the formation of internal partitions; as, merismatic growth, where one cell divides into many.

One of the vertical muscular radiating partitions which divide the body cavity of Anthozoa into chambers.

Divided into many chambers by partitions, as the pith of the pokeweed.

is spiral, symmetrical, and chambered, or divided into several cavities by simple curved partitions, which are traversed and connected together by a continuous and nearly central tube or siphuncle. See Tetrabranchiata.

Equality of condition, blood, or dignity; also, equality in the partition of an inheritance. Spelman.