1) a case in which to keep mouth-pieces of wind instruments
2) a small box for other uses
2a) especially a casket, a purse to keep money in
Part of Speech: noun neuter
From G1100 and the base of G2889; properly a case (to keep mouthpieces of wind instruments in), that is, (by extension) a casket or (specifically) purse: - bag.
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 γλωσσόκομον; click on the second column to search for that grammatical form of the root γλωσσόκομον; click on the third column to search for that word and grammatical form; click on the total to search for the root γλωσσόκομον.