British capacity unit, Imperial capacity unit - a unit of measure for capacity officially adopted in the British Imperial System; British units are both dry and wet

fluid ounce, fluidounce - a British imperial unit of capacity or volume (liquid or dry) equal to 8 fluid drams or 28.416 cubic centimeters (1.734 cubic inches)

pint - a British imperial capacity measure (liquid or dry) equal to 4 gills or 568.26 cubic centimeters

United States liquid unit - a liquid unit officially adopted in the United States Customary System

fluid ounce, fluidounce - a United States unit of capacity or volume equal to 1.804 cubic inches

cup - a United States liquid unit equal to 8 fluid ounces

plant organ - a functional and structural unit of a plant or fungus

ctenidium - comb-like respiratory structure serving as the gill of certain mollusks

ceras - one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills

external gill - occurs in some mollusks and in tadpoles and other immature amphibians

respiratory organ - any organ involved in the process of respiration