1. (noun) any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus

• lamella

2. (noun) respiratory organ of aquatic animals that breathe oxygen dissolved in water

• branchia

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

• british capacity unit
• imperial capacity unit

2. (noun) a United States liquid unit equal to 4 fluid ounces

• united states liquid unit

3. (noun) any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus

• plant organ

4. (noun) respiratory organ of aquatic animals that breathe oxygen dissolved in water

• respiratory organ

1. (noun) respiratory organ of aquatic animals that breathe oxygen dissolved in water

• ceras
• ctenidium
• external gill

1. (noun) respiratory organ of aquatic animals that breathe oxygen dissolved in water

• branchial