1) of or for an ass, turned by an ass
1a) these beasts were often employed to turn millstones
Part of Speech: adjective
From G3688; belonging to an ass, that is, large (so as to be turned by an ass): - millstone.
|of a donkey||4.32|
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 ὀνικός; click on the second column to search for that grammatical form of the root ὀνικός; click on the third column to search for that word and grammatical form; click on the total to search for the root ὀνικός.