any of a genus (Platycerium, family Polypodiaceae) of epiphytic ferns with antler-shaped fronds and smaller, round barren fronds that cling to branches, wood, etc. for support
See staghorn fern in American Heritage Dictionary 4
(stăgˈhôrnˌ)
noun
Any of several tropical epiphytic ferns of the genus Platycerium, having large, dichotoemously divided fertile fronds that resemble antlers.