gill
US /ɡɪl/
UK /ɡɪl/
1.
the respiratory organ of aquatic animals, such as fish, that extracts dissolved oxygen from water and excretes carbon dioxide
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Fish breathe through their gills.
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The shark's gills were clearly visible.
2.
each of the radiating plates on the underside of the cap of a mushroom, bearing the spores
:
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The mushroom's spores are located on its gills.
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Examine the color of the gills to identify the mushroom.
3.
a unit of liquid measure, equal to one quarter of a pint (about 142 ml)
:
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Add a gill of cream to the sauce.
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The recipe calls for a gill of whiskey.