Main Entry:

sep·tum

Pronunciation:

\ˈsep-təm\

Function:

noun

Inflected Form(s):

plural sep·ta \-tə\

Etymology:

New Latin, from Latin saeptum enclosure, fence, wall, from saepire to fence in, from saepes fence, hedge

Date:

1698

: a dividing wall or membrane especially between bodily spaces or masses of soft tissue — compare dissepiment