1) a place where the human waste discharges are dumped
1a) a privy, sink, toilet
Part of Speech: noun masculine
From a compound of G575 and the base of G1476; a place of sitting apart, that is, a privy: - draught.
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 ἀφεδρών; click on the second column to search for that grammatical form of the root ἀφεδρών; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀφεδρών.