septum
noun/ˈseptəm/
/ˈseptəm/
(plural septa
(anatomy)/ˈseptə/
/ˈseptə/
)- a thin part that separates two hollow areas, for example the part of the nose between the nostrilsTopics Bodyc2Word Originmid 17th cent.: from Latin septum, from sepire ‘enclose’, from sepes ‘hedge’.
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septum