septum

[ sep-tuh m ]
/ ˈsɛp təm /

noun, plural sep·ta [sep-tuh] /ˈsɛp tə/. Biology.

a dividing wall, membrane, or the like, in a plant or animal structure; dissepiment.

Origin of septum

1710–20; < Latin sēptum, variant of saeptum enclosure, noun use of neuter of saeptus (past participle of saepīre to fence); akin to saepēs hedge, fence

Example sentences from the Web for septum

British Dictionary definitions for septum

septum
/ (ˈsɛptəm) /

noun plural -ta (-tə)

biology anatomy a dividing partition between two tissues or cavities
a dividing partition or membrane between two cavities in a mechanical device

Word Origin for septum

C18: from Latin saeptum wall, from saepīre to enclose; related to Latin saepēs a fence

Medical definitions for septum

septum
[ sĕptəm ]

n. pl. sep•ta (-tə)

A thin partition or membrane dividing two cavities or soft masses of tissue in an organism.
The septum pellucidum.

Scientific definitions for septum

septum
[ sĕptəm ]

Plural septa

A thin wall or membrane that separates two parts or structures in an organism. Septae separate the chambers of the heart and subdivide the hyphae of some fungi.