Dryobalanops \Dry`o*bal"a*nops\, n. [NL., fr. Gr. ? oak + ? acorn + ? appearance. The fruit remotely resembles an acorn in its cup.] (Bot.) The genus to which belongs the single species {D. Camphora}, a lofty resinous tree of Borneo and Sumatra, yielding Borneo camphor and camphor oil.