Quoit /(kwoit [or] koit)/ Quoit n. A flattened ring-shaped piece of iron, to be pitched at a fixed object in play; hence, any heavy flat missile used for the same purpose, as a stone, piece of iron, etc. The discus of the ancients. See Discus. A cromlech. [Prov. Eng.] Quoit v. i. To throw quoits; to play at quoits. To quoit, to run, and steeds and chariots drive. Quoit v. t. To throw; to pitch. [Obs. or R.]