gill

Noun

• respiratory organ of aquatic animals that breathe oxygen dissolved in water

• any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus

• a United States liquid unit equal to 4 fluid ounces

• a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters

Related words

• Synonyms: 
  branchia , lamella