Source : Webster's Revised Unabridged Dictionary (1913)

Chicle \Chic"le\, n., Chicle gum \Chicle gum\ [Amer. Sp.
   chicle.]
   A gumlike substance obtained from the bully tree ({Mimusops
   globosa}) and sometimes also from the naseberry or sapodilla
   ({Sapota zapotilla}). It is more plastic than caoutchouc and
   more elastic than gutta-percha, as an adulterant of which it
   is used in England. It is used largely in the United States
   in making chewing gum.