A type of puzzle in which the aim is to reconstruct a picture that has been cut (originally, with a jigsaw) into many small interlocking pieces.
A particularly difficult question or puzzle.
Someone who, or something which, poses; a person who sets their body in a fixed position, such as for photography or painting.
A poseur; someone who affects some behaviour, style, attitude or other condition, often to impress or influence others.
Someone who asks a question or sets a problem.