a question; an inquiry.
mental reservation; doubt.
Printing., a question mark (?), especially as added on a manuscript, proof sheet, or the like, indicating doubt as to some point in the text.
an inquiry from a writer to an editor of a magazine, newspaper, etc., regarding the acceptability of or interest in an idea for an article, news story, or the like: usually presented in the form of a letter that outlines or describes the projected piece.