The Collaborative International Dictionary of English v.0.48:

Burnt \Burnt\, p. p. & a.
   Consumed with, or as with, fire; scorched or dried, as with
   fire or heat; baked or hardened in the fire or the sun.
   [1913 Webster]

   Burnt ear, a black, powdery fungus which destroys grain.
      See Smut.

   Burnt offering, something offered and burnt on an altar, as
      an atonement for sin; a sacrifice. The offerings of the
      Jews were a clean animal, as an ox, a calf, a goat, or a
      sheep; or some vegetable substance, as bread, or ears of
      wheat or barley. Called also burnt sacrifice. --[2 Sam.
      xxiv. 22.]
      [1913 Webster]