An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one.

Alternative form of onstage

Alternative form of onstage

Alternative form of offstage

Alternative form of offstage

Alternative form of offstage

Alternative form of alestake

Alternative form of sage on the stage

(education, sometimes mildly derogatory) An educator, especially at the postsecondary level, who imparts knowledge by lecturing to an audience; the method of imparting knowledge used by such an educator.

plural of stage manager