Fish’s breathing apparatus

noun

1. A unit of liquid capacity equal to four fluid ounces see Weights and Measures Table

noun

1. An organ (as of a fish) for obtaining oxygen from water
2. Wattle
3. The flesh under or about the chin or jaws
4. One of the radiating plates forming the undersurface of the cap of a mushroom fungus

verb

1. Gillnet
2. To become entangled in a gill net

noun

1. Ravine
2. A narrow stream or rivulet

noun

1. Girl, sweetheart

noun

1. Any of the bony or cartilaginous arches or curved bars extending dorsoventrally and placed one behind the other on each side of the pharynx and supporting the gills of fishes and amphibians
2. Any of the rudimentary ridges in the embryos of all higher vertebrates that correspond to the gill arches

noun

1. Gill slit
2. Gill slit

noun

1. Operculum

noun

1. A flat net suspended vertically in the water with meshes that allow the head of a fish to pass but entangle the gills upon withdrawal

noun

1. Any of the bony processes on a gill arch that divert solid substances away from the gills