Definiciones
1.NounA particularly difficult question or puzzle.
2.NounSomeone who asks a question or sets a problem."Even as a child, she was a habitual poser of difficult questions."
3.NounSomeone who, or something which, poses; a person who sets their body in a fixed position, such as for photography or painting.
4.NounA poseur; someone who affects some behaviour, style, attitude or other condition, often to impress or influence others.