1) the instrument used for engraving or carving
2) the mark stamped upon that instrument or wrought out on it
2a) a mark or figure burned in (Lev 13:28) or stamped on, an impression
2b) the exact expression (the image) of any person or thing, marked likeness, precise reproduction in every respect, i.e facsimile
Part of Speech: noun masculine
Citing in TDNT: 9:418, 1308
From the same as G5482; a graver (the tool or the person), that is, (by implication) engraving (["character"], the figure stamped, that is, an exact copy or [figuratively] representation): - express image.
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 χαρακτήρ; click on the second column to search for that grammatical form of the root χαρακτήρ; click on the third column to search for that word and grammatical form; click on the total to search for the root χαρακτήρ.