Noah Webster
Cue
CUE, noun [Latin]
1. The tail; the end of a thing; as the long curl of a wig, or a long roll of hair.
2. The last words of a speech, which a player, who is to answer, catches and regards as an intimation to begin. A hint given to an actor on the stage, what or when to speak.
3. A hint; an intimation; a short direction.
4. The part which any man is to play in his turn.
Were it my cue to fight.
5. Humor; turn or temper of mind. [Vulgar.]
6. A farthing, or farthings worth.
7. The straight rod, used in playing billiards.