noun

• (slang) Ellipsis of piece of cake: a trivially easy task or responsibility.
  "Now that I escape, sleepwalk awake / Those who could relate know the world ain't cake"
• (slang) Money.
• (slang) A pair of buttocks, especially one that is exceptionally plump or full.
  "Since I started doing squats, I've built up some serious cake."
• (pyrotechnics) A multishot fireworks assembly comprising several tubes, each with a fireworks effect, lit by a single fuse.

verb

• (transitive) Coat (something) with a crust of solid material.
  "His shoes are caked with mud."
• (transitive) To form into a cake, or mass.
• (intransitive) Of blood or other liquid, to dry out and become hard.
  "Once we fell asleep, and, I think, must have slept for some hours, for, when we woke, our limbs were quite stiff, and the blood from our blows and scratches had caked, and was hard and dry upon our skin."