#1
poser n. [
poseur] a person who habitually pretends to be something he is not
. wn #2
poser n. [
model] a person who poses for a photographer or painter or sculptor; "the president didn't have time to be a model so the artist worked from photos"
. wn #3
poser n. [
stumper, toughie, sticker] a particularly difficult or baffling question or problem
. wn