gill
11. the respiratory organ in many aquatic animals, consisting of a membrane or outgrowth well supplied with blood vessels. External gills occur in tadpoles, some molluscs, etc.; internal gills, within gill slits, occur in most fishes
2. any of the radiating leaflike spore-producing structures on the undersurface of the cap of a mushroom
gill
2 a unit of liquid measure equal to one quarter of a pint
gill
1, ghyll Dialect1. a narrow stream; rivulet
2. a wooded ravine
3. a deep natural hole in rock; pothole
gill
2 Dialect a female ferret
Gill
(Arthur) Eric (Rowton). 1882--1940, British sculptor, engraver, and typographer: his sculptures include the Stations of the Cross in Westminster Cathedral, London
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
gill
[gil] (mechanics)
A unit of volume used in the United States for the measurement of liquid substances, equal to ¼ U.S. liquid pint, or to 1.1829411825 × 10-4 cubic meter.
A unit of volume used in the United Kingdom for the measurement of liquid substances, and occasionally of solid substances, equal to ¼ U.K. pint, or to approximately 1.420653125 × 10-4 cubic meter.
(mycology)
A structure consisting of radially arranged rows of tissue that hang from the underside of the mushroom cap of certain basidiomycetes.
(vertebrate zoology)
The respiratory organ of water-breathing animals. Also known as branchia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.