WORD MEANING
Septum meaning
SEP-tum · noun
A wall or partition dividing two cavities or spaces in the body.
See all 16 words from the September 30, 2026 puzzle →Other meanings
A thin plate or membrane separating two chambers in an organism or structure.
In botany, the part of a fruit or seed pod that separates the seeds into compartments.
The term is primarily used in anatomy and biology.
Examples
The doctor explained that the nasal septum separates the two nostrils.
A deviated septum can cause breathing difficulties.