A fishery is one or more stocks of fish that can be treated as a unit for purposes of conservation and management and that can be identified on the basis of geographical, scientific, technical, recrea [..]

"business of fishing," 1670s; "place where fish are caught," 1690s; see fish (v.) + -ery. Related: Fisheries.

industry or occupation of harvesting fish, either in the wild or through aquaculture.

Population of aquatic organisms that supports a commercial or recreational industry

A term used for a lake, river or stream where people can catch fish, or even a particular kind of fish, such as a bass or trout fishery.

Pursuant to 16 USCS § 1362 (16), [Title 16. Conservation; Chapter 31. Marine Mammal Protection; Generally] the term fishery means--

(n) a workplace where fish are caught and processed and sold

the industry or occupation devoted to the catching, processing, or selling of fish, shellfish, or other aquatic animals.

The general term fishery can have a number of different meanings and is sometimes quite confusing! Fishery can mean the community of fishermen catching the fish, the geographical area that the fishing is taking place or the actual fish species in the water itself.

The taking or removal of one or more species of fish from an aquatic environment using a type of fishing technolgy (gear) by one or more fishers, with the primary focus being on the human aspects of f [..]

the aquatic region in which a certain species of fish lives

A fishery can be defined in many ways though, in general terms, it is the take or removal of a species from the aquatic environment using some type of fishing technology. The emphasis is on the human aspects of fishing and all the activities it involves.

Term to describe the collective enterprise of taking fish, usually used in conjunction with reference to the species, gear or area involved.

All of the activities involved in catching a species of fish or group of species; one or more stocks of fish which can be treated as a unit for purposes of conservation and management and which are id [..]

Places for cultivation and harvesting of fish, particularly in Sea Waters. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

a place for catching fish; the occupation, industry, or season of taking fish or other sea animals

a place engaged in the occupation or industry of catching fish or taking seafood from bodies of water; a place where such an industry is conducted.

Generally, a fishery is an activity leading to harvesting of fish.  It may involve capture of wild fish or raising of fish through aquaculture. (FAO online Fisheries Glossary.