1the paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.
an organ similar to a gill in an invertebrate animal.
2the vertical plates arranged radially on the underside of mushrooms and many toadstools.
3the wattles or dewlap of a fowl.
(gills) the flesh below a person’s jaws and ears:we stuffed ourselves to the gills with scrambled eggs and toast
