Definition of septum noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈseptəm//
; NAmE NAmE//ˈseptəm//
(pl. septa
BrE BrE//ˈseptə//
; NAmE NAmE//ˈseptə//
(anatomy) Face
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a thin part that separates two hollow areas, for example the part of the nose between the nostrils See related entries: Face Word Originmid 17th cent.: from Latin septum, from sepire ‘enclose’, from sepes ‘hedge’.
See the Oxford Advanced American Dictionary entry: septum