Septum

• POS: Noun
• HYPHEN: sep=tum

CIDE DICTIONARY

Septum, n. [L. septum, saeptum, an inclosure, hedge, fence, fr. sepire, saepire, to hedge in, inclose.].

•  A wall separating two cavities; a partition; as, the nasal septum.  [1913 Webster]
•  A partition that separates the cells of a fruit.  [1913 Webster]
•  One of the radial calcareous plates of a coral.  [1913 Webster]

OXFORD DICTIONARY

Septum, n. (pl. septa) Anat., Bot., & Zool. a partition such as that between the nostrils or the chambers of a poppy-fruit or of a shell.

Etymology

L s(a)eptum f. saepire saept- enclose f. saepes hedge

THESAURUS

Septum

barrier, brattice, buffer, buffer state, bulkhead, bumper, cloison, collision mat, cushion, diaphragm, dissepiment, dividing line, dividing wall, division, fender, interseptum, mat, midriff, midsection, pad, panel, paries, partition, party wall, property line, separation, septulum, shock pad, wall

ROGET THESAURUS

Septum

Interposition

N interposition, interjacence, intercurrence, intervenience, interlocation, interdigitation, interjection, interpolation, interlineation, interspersion, intercalation, interpenetration, permeation, infiltration, intervention, interference, intrusion, obtrusion, insinuation, insertion, dovetailing, embolism, intermediary, intermedium, go between, bodkin, intruder, interloper, parenthesis, episode, flyleaf, partition, septum, diaphragm, midriff, dissepiment, party wall, panel, room divider, halfway house, interjacent, intercurrent, intervenient, intervening, intermediate, intermediary, intercalary, interstitial, embolismal, parenthetical, episodic, mediterranean, intrusive, embosomed, merged, between, betwixt, twixt, among, amongst, amid, amidst, mid, midst, in the thick of, betwixt and between, sandwich-wise, parenthetically, obiter dictum.