1) cherubim, two golden figures of living creatures with two wings; they were fastened to the lid of the ark of the covenant in the holy of holies (both at the sacred tabernacle and of Solomon's temple) in such a manner that their faces were turned towards each other and down towards the lid, which they overshadowed with their expanded wings. Between these figures God was regarded as having fixed his dwelling place.
Part of Speech: noun neuter plural
Citing in TDNT: 9:438, 1312
Plural of Hebrew origin [H3742]; "cherubim" (that is, cherubs or kerubim): - cherubims.
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 Χερούβ; click on the second column to search for that grammatical form of the root Χερούβ; click on the third column to search for that word and grammatical form; click on the total to search for the root Χερούβ.