Definition of septum in English:

septum

Syllabification: sep·tum
Pronunciation: /ˈseptəm
 
/

noun (plural septa /-tə/)

chiefly Anatomy & Biology
A partition separating two chambers, such as that between the nostrils or the chambers of the heart.
More example sentences
  • At this stage also, minor septa and shortened cardinal septum become easily identifiable.
  • The trachea is unbranched, and is formed by the division of the foregut by a longitudinal septum into two tubes - the trachea and the esophagus.
  • The ventricular septum and the atrioventricular and semilunar valves were unremarkable.

Origin

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

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Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence