gill

Gill has 1 syllable.

noun. Any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus.

noun. Respiratory organ of aquatic animals that breathe oxygen dissolved in water.

noun. A British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters.

noun. A United States liquid unit equal to 4 fluid ounces.