Definition of

Casement

  1. (noun, artifact) a window sash that is hinged (usually on one side)

via WordNet, Princeton University

Alternate forms of Casement

Hypernyms: sash, window sash

Origin of the word Casement

  1. 1430, probably aphetic of O.Fr. dial. enchassement "window frame," from en- "in," prefix forming verbs, + casse "case, frame" (see case (2)) + -ment. Or possibly from Anglo-L. cassementum, from casse. The Irish surname is originally Mc Casmonde (attested from 1429), from Mac Asmundr, from Ir. mac "son of" + O.N. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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