Longman Dictionary of Contemporary English - pose

~1 v 1 pose a problem/threat/challenge etc to cause a problem, danger, difficulty etc  (Newton's challenge poses no threat to the leadership. | Rising unemployment is posing serious problems for the administration.) 2 to sit or stand in a particular position in order to be photographed or painted, or to make someone do this + for  (We posed for photographs after the graduation ceremony.) 3 pose a question to ask a question, especially one that needs to be carefully thought about  (The first chapter poses the question)  (What constitutes a democracy?) 4 pose as sb to pretend to be someone else, in order to deceive people  (Bryce was caught posing as a lawyer.) 5 especially BrE to dress or behave like a fashionable, rich etc person in order to make other people notice you or admire you ~2 n 1 the position in which someone stands or sits, especially in a painting, photograph etc  (in a pose)  (a painting of the Duchess in a dramatic pose | strike a pose (=stand or sit in a particular position)) 2 especially BrE behaviour in which someone pretends to behave like a fashionable, rich, intelligent etc person in order to make other people notice them or admire them  (it's just a pose)  (He's always talking about his deep interest in philosophy - it's just a pose.)