1) to cut around
2) to circumcise
2a) cut off one's prepuce (used of that well known rite by which not only the male children of the Israelites, on the eighth day after birth, but subsequently also "proselytes of righteousness" were consecrated to Jehovah and introduced into the number of his people)
2b) to get one's self circumcised, present one's self to be circumcised, receive circumcision
2c) since by the rite of circumcision a man was separated from the unclean world and dedicated to God, the word is transferred to denote the extinguishing of lusts and the removal of sins
Part of Speech: verb
Citing in TDNT: 6:72, 831
From G4012 and the base of G5114; to cut around, that is, (specifically) to circumcise: - circumcise.
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 περιτέμνω; click on the second column to search for that grammatical form of the root περιτέμνω; click on the third column to search for that word and grammatical form; click on the total to search for the root περιτέμνω.