1) soft, soft to the touch
2) metaphorically in a bad sense
2a1) of a catamite
2a2) of a boy kept for homosexual relations with a man
2a3) of a male who submits his body to unnatural lewdness
2a4) of a male prostitute
Part of Speech: adjective
Of uncertain affinity; soft, that is, fine (clothing); figuratively a catamite: - effeminate, soft.
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 μαλακός; click on the second column to search for that grammatical form of the root μαλακός; click on the third column to search for that word and grammatical form; click on the total to search for the root μαλακός.