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early 14c., wrappen, of uncertain etymology, perhaps via Scandinavian (cf. Danish dialectal vravle "to wind"), ultimately from PIE *werp- "to turn, wind" (cf. Greek rhaptein "to sew"), from root *wer- (3) "to turn, bend" (see versus). Related: Wrapped; wrapping.
late 15c., "fine cloth used as a cover or wrapping for bread," from wrap (v.). As a type of women's garment, recorded from 1827. Meaning "end of a filming session" is attested from 1974. Figurative phrase under wraps "in concealment" is recorded from 1939.
A stiff and puritanical person; a prude and prig; killjoy, party pooper •Now outdated and sure to be confused with wowser1: men of letters, who would swoon at the sight of a split infinitive, such wowsers they are in regard to pure English
[1899+; origin unknown; claimed in 1899 by John Norton, an Australian muckraking publisher, as his coined acronym for the name of his organization We Only Want Social Evils Righted]
Something very successful and impressive; a sensation; wow1: It would make a wowser of a movie/ The four-beat peroration is a wowser
[1928+; fr wow, perhaps influenced by rouser]