1) a beast
1a) especially a beast of burden
1b) used for four legged animals as opposed to fishes and birds
Part of Speech: noun neuter
From G2932; property, that is, (specifically) a domestic animal: - beast.
|beast of burden||4.6|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root κτῆνος; click on the second column to search for that grammatical form of the root κτῆνος; click on the third column to search for that word and grammatical form; click on the total to search for the root κτῆνος.