Longman Dictionary of Contemporary English
fish farm
noun
EXAMPLES FROM CORPUS
▪ But the owners of the fish farm - Gale and Ainslie Limited - insist they weren't negligent.
▪ His Honour Mark Dyer said the fish farm was well aware that that particular stretch of river was reserved for brown trout.
▪ Read in studio A judge has ordered a fish farm to compensate a group of anglers for ruining their fishing season.
▪ Seen through the lacy walls of the village pool hall the polystyrene floats of the fish farm bobbed busily.
▪ The fish farm has enough work to keep two people very busy.
▪ The group includes rare breed centres, a fish farm and even a vineyard.
Wiktionary
fish farm
n. A place or facility dedicated to the raising of fish or other seafood for sale.
WordNet
fish farm
n. a workplace (usually a pond) where fish are raised for food