Also see definition of "Taw" in Word Study
Taw
TAW [isbe]
TAW - tau ("t", "th"): The 22nd letter of the Hebrew alphabet; transliterated in this Encyclopedia with the daghesh as "t", and as "th" without. It came also to be used for the number 400. For name, etc., see ALPHABET.See also FOREHEAD; MARK.
Also see definition of "Taw" in Word Study