Word Explorer

Children's

Dictionary Suite

	Elementary dictionary
	Intermediate dictionary

Advanced Dictionary

More results

Display options

Pronunciation

Lookup History

sep·tum

septum

part of speech:	noun
inflections:	septa
definition:	in biology, a thin membrane or other partition that separates two cavities or two masses of soft tissue.
related words:	wall

Subscribe for ad-free
Wordsmyth and more
Learn more