What is the meaning of Poser?

A particularly difficult question or puzzle.

Someone who asks a question or sets a problem.

Someone who, or something which, poses; a person who sets their body in a fixed position, such as for photography or painting.

A poseur (one who affects some behaviour, style, attitude or other condition, often to impress or influence others); a fake fan.

to stop carrying, to put down (something or somebody)

to ask or pose (a question)

to land (a plane)

to lay, place

to install, fit

to relax, settle

indefinite plural of pose

imperative of posere

to put; to place

to suggest; to propose

to rest; to recover; to recuperate

poser (someone who affects a style or attitude)

poser (person who pretends to be a fan of something for clout)

Source: wiktionary.org