a question mark over

:  an interrogative expression often used to test knowledge

:  an interrogative sentence or clause

:  a subject or aspect in dispute or open for discussion :  issue

:  to ask a question of or about

:  to interrogate intensively :  cross-examine

:  doubt, dispute

:  a boundary land

:  a conspicuous object serving as a guide for travelers

:  something (such as a line, notch, or fixed object) designed to record position

:  to fix or trace out the bounds or limits of

:  to plot the course of :  chart

:  to designate as if by a mark

:  any of various old European units of weight used especially for gold and silver

:  a unit equal to about eight ounces (248 grams)

:  a unit of value:

:  across a barrier or intervening (see intervene 4) space

:  across the goal line in football

:  forward beyond an edge or brink and often down

: used as a function word to indicate motion or situation in a position higher than or above another

: used as a function word to indicate the possession of authority, power, or jurisdiction in regard to some thing or person

: used as a function word to indicate superiority, advantage, or preference

:  upper, higher

:  outer, covering

:  excessive

:  to leap over