WordNet (r) 3.0 (2006):

Javan
    adj 1: of or relating to or characteristic of Java or its
           inhabitants or its language; "Javanese temples";
           "Javanese dialects" [syn: Javanese, Javan]
    n 1: a native or inhabitant of Java [syn: Javanese, Javan]

Easton's 1897 Bible Dictionary:

Javan
   (1.) The fourth "son" of Japheth (Gen. 10:2), whose descendants
   settled in Greece, i.e., Ionia, which bears the name of Javan in
   Hebrew. Alexander the Great is called the "king of Javan"
   (rendered "Grecia," Dan. 8:21; 10:20; comp. 11:2; Zech. 9:13).
   This word was universally used by the nations of the East as the
   generic name of the Greek race.

     (2.) A town or district of Arabia Felix, from which the
   Syrians obtained iron, cassia, and calamus (Ezek. 27:19).


Hitchcock's Bible Names Dictionary (late 1800's):

Javan, deceiver; one who makes sad