The Collaborative International Dictionary of English v.0.48:

Dammar \Dam"mar\, Dammara \Dam"ma*ra\, n. [Jav. & Malay. damar.]
   An oleoresin used in making varnishes; dammar gum; dammara
   resin. It is obtained from certain resin trees indigenous to
   the East Indies, esp. Shorea robusta and the dammar pine.
   [1913 Webster]

   Dammar pine, (Bot.), a tree of the Moluccas (Agathis
      orientalis syn. Dammara orientalis), yielding dammar.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dammar
    n 1: any of various hard resins from trees of the family
         Dipterocarpaceae and of the genus Agathis; especially the
         amboyna pine [syn: dammar, gum dammar, damar, dammar
         resin]