\Mel`a*nor*rh[oe]"a\, n. [NL., fr. Gr. me`las,
-anos, black + ? to flow.] (Bot.)
An East Indian genus of large trees. {Melanorrh[oe]a
usitatissima} is the lignum-vit[ae] of Pegu, and yelds a
valuable black varnish.