Basement
Pronunciation : Base"ment
Part of Speech : n.
Etymology : [F. soubassement. Of uncertain origin. Cf. Base, a., Bastion.] (Arch.)
Definition : Defn: The outer wall of the ground story of a building, or of a part of that story, when treated as a distinct substructure. ( See Base, n., 3 (a).) Hence: The rooms of a ground floor, collectively. Basement membrane (Anat.), a delicate membrane composed of a single layer of flat cells, forming the substratum upon which, in many organs, the epithelioid cells are disposed.
Source : Webster's Unabridged Dictionary, 1913
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