septum

(sep′təm)

Biol. a thin wall, membrane, etc. that separates two cavities or two masses of tissue, as in the nose or in a fruit

Origin: ModL < L, enclosure, hedge < saepire, to enclose, fence < saepes, a hedge < IE base *saip-, hedge fence > Gr haimos, thicket

See septum in American Heritage Dictionary 4

noun pl. sep·ta (-tə)

A thin partition or membrane that divides two cavities or soft masses of tissue in an organism: the nasal septum; the atrial septum of the heart.

Origin:

Origin: New Latin sēptum

Origin: , from Latin saeptum, partition

Origin: , from neuter past participle of saepīre, to enclose

Origin: , from saepēs, fence

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