Meaning

noun a person who habitually pretends to be something he is not

noun a person who poses for a photographer or painter or sculptor

noun a particularly difficult or baffling question or problem

originEtymology tree English pose Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English poser From pose + -er.

Etymology from Wiktionary, CC BY-SA 3.0