The Collaborative International Dictionary of English v.0.48:

Dryobalanops \Dry`o*bal"a*nops\, n. [NL., fr. Gr. dry^s oak +
   ba`lanos acorn + 'o`psis appearance. The fruit remotely
   resembles an acorn in its cup.] (Bot.)
   The genus to which belongs the single species Dryobalanops
   Camphora, a lofty resinous tree of Borneo and Sumatra,
   yielding Borneo camphor and camphor oil.
   [1913 Webster]