1) the chief leader, prince
1a) of Christ
2) one that takes the lead in any thing and thus affords an example, a predecessor in a matter, pioneer
3) the author
Part of Speech: adjective
Citing in TDNT: 1:487, 81
From G746 and G71; a chief leader: - author, captain, prince.
|b pioneer leader||36.6|
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 ἀρχηγός; click on the second column to search for that grammatical form of the root ἀρχηγός; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀρχηγός.