hamadryad
- n the nymph or spirit of a particular tree
- n large cobra of southeastern Asia and the East Indies; the largest venomous snake; sometimes placed in genus Naja
hamamelid dicot family
- n family of mostly woody dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
hamamelid dicot genus
- n genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
hamamelidaceae
- n comprises genera Hamamelis, Corylopsis, Fothergilla, Liquidambar, Parrotia, and other small genera
hamamelidae
- n a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
hamamelidanthum
- n genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic region
hamamelidoxylon
- n genus of fossil plants having wood identical with or similar to that of the witch hazel
hamamelis vernalis
- n fragrant shrub of lower Mississippi valley having very small flowers from midwinter to spring
hamamelis virginiana
- n common shrub of eastern North America having small yellow flowers after the leaves have fallen
hamamelites
- n genus of fossil plants having leaves similar to those of the witch hazel
haman
- n (Old Testament) the minister of the Persian emperor who hated the Jews and was hanged for plotting to massacre them
hamartia
- n the character flaw or error of a tragic hero that leads to his downfall
hamartoma
- n a focal growth that resembles a neoplasm but results from faulty development in an organ