1) having a double mouth as a river
1a) used of the edge of the sword and of other weapons, so has the meaning of two-edged
Part of Speech: adjective
From G1364 and G4750; double edged: - with two edges, two-edged.
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 δίστομος; click on the second column to search for that grammatical form of the root δίστομος; click on the third column to search for that word and grammatical form; click on the total to search for the root δίστομος.