The Collaborative International Dictionary of English v.0.48:

Agalloch \Ag"al*loch\ ([a^]g"[a^]l*l[o^]k), Agallochum
\A*gal"lo*chum\ ([.a]*g[a^]l"l[-o]*k[u^]m), n. [Gr.
   a`ga`llochon, of Eastern origin: cf. Skr. aguru, Heb. pl.
   ah[=a]l[imac]m.]
   A soft, resinous wood (Aquilaria Agallocha) of highly
   aromatic smell, burnt by the orientals as a perfume. It is
   called also agalwood and aloes wood. The name is also
   given to some other species.
   [1913 Webster]