/den droh"bee euhm/ , n.
any of numerous epiphytic orchids of the genus Dendrobium, native to tropical and subtropical regions of the Eastern Hemisphere, having variously colored, often showy flowers.
[ dendro- DENDRO- + NL -bium -bion, neut. of -bios -lived, having such a life, living on (adj. deriv. of bíos life; see BIO-) ]