What does "gage" mean?

Gage: A glove, cap, or the like, cast on the ground as a challenge to combat, and to be taken up by the accepter of the challenge; a challenge; a defiance. "There I throw my gage." Shak.

Additional senses

  1. 2.A variety of plum; as, the greengage; also, the blue gage, frost gage, golden gage, etc., having more or less likeness to the greengage. See Greengage.
  2. 3.To give or deposit as a pledge or security for some act; to wage or wager; to pawn or pledge. [Obs.] A moiety competent Was gaged by our king. Shak.
  3. 4.To bind by pledge, or security; to engage. Great debts Wherein my time, sometimes too prodigal, Hath left me gaged. Shak.
  4. 5.A measure or standart. See Gauge, n.
  5. 6.To measure. See Gauge, v. t. You shall not gage me By what we do to-night. Shak.

Sources