Definition of gill

Definition of gill
  1. gill Noun A breathing organ of fish and other aquatic animals.
  2. gill Noun A gill slit or gill cover.
  3. gill Noun One of the radial folds on the underside of the cap of a mushroom, on the surface of which the spore-producing organs are borne.
  4. gill Noun The fleshy flap that hangs below the beak of a fowl; a wattle.
  5. gill Noun The flesh under or about the chin; a wattle.
  6. gill Noun A drink measure for spirits and wine. Size varies regionally but it is about one quarter of a pint.
  7. gill Noun A measuring jug holding a quarter or half a pint.
  8. gill Noun A rivulet.
  9. gill Noun A ravine.
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