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septum

Syllabification: (sep·tum)
Pronunciation: /ˈseptəm/
Definition of septum

noun (plural septa /-tə/)

chiefly Anatomy & Biology
  • a partition separating two chambers, such as that between the nostrils or the chambers of the heart.

Origin:

mid 17th century: from Latin septum, from sepire 'enclose', from sepes 'hedge'

septum in other Oxford dictionaries

Definition of septum in the British & World English dictionary

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