(n)deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia; usually limited to nonpoisonous sumacs (see genus Toxicodendron), Syn.genus Rhus

rhus dermatitis

(n)contact dermatitis resulting from contact with plants of the genus Toxicodendron

australian sumac

(n)evergreen of Australia yielding a dark yellow wood, Syn.Rhus rhodanthema, Rhodosphaera rhodanthema

cirrus

(n)usually coiled, Syn.cirrhus

corbina

(n)bluish-grey whiting of California coast, Syn.Menticirrhus undulatus

dwarf sumac

(n)common nonpoisonous shrub of eastern North America with compound leaves and green paniculate flowers followed by red berries, Syn.Rhus copallina, black sumac, mountain sumac, shining sumac

eastern poison oak

(n)poisonous shrub of southeastern United States causing a rash on contact, Syn.Rhus toxicodenedron, Rhus quercifolia, Toxicodendron quercifolium

fragrant sumac

(n)sweet-scented sumac of eastern America having ternate leaves and yellowish-green flowers in spikes resembling catkins followed by red hairy fruits, Syn.Rhus aromatica, lemon sumac

king whiting

(n)whiting of the southeastern coast of North America, Syn.Menticirrhus americanus

laurel sumac

(n)small aromatic evergreen shrub of California having paniculate leaves and whitish berries; in some classifications included in genus Rhus, Syn.Malosma laurina, Rhus laurina

northern whiting

(n)whiting of the east coast of United States; closely resembles king whiting, Syn.Menticirrhus saxatilis

poison ash

(n)smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil, Syn.Toxicodendron vernix, Rhus vernix, poison dogwood, poison sumac

poison ivy

(n)climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact, Syn.poison oak, Toxicodendron radicans, markweed, Rhus radicans, poison mercury

silver whiting

(n)a dull silvery whiting of southern Atlantic and Gulf Coasts of the United States, Syn.Menticirrhus littoralis

skinner

(n)United States psychologist and a leading proponent of behaviorism (1904-1990), Syn.Fred Skinner, Burrhus Frederic Skinner, B. F. Skinner

smooth sumac

(n)common nonpoisonous shrub of eastern North America with waxy compound leaves and green paniculate flowers followed by red berries, Syn.scarlet sumac, vinegar tree, Rhus glabra

squawbush

(n)deciduous shrub of California with unpleasantly scented usually trifoliate leaves and edible fruit, Syn.skunkbush, Rhus trilobata, squaw-bush

staghorn sumac

(n)deciduous shrubby tree or eastern North America with compound leaves that turn brilliant red in fall and dense panicles of greenish yellow flowers followed by crimson acidic berries, Syn.velvet sumac, Virginian sumac, vinegar tree, Rhus typhina

sugar-bush

(n)evergreen shrub of southeastern United States with spikes of reddish yellow flowers and glandular hairy fruits, Syn.Rhus ovata, sugar sumac

varnish tree

(n)small Asiatic tree yielding a toxic exudate from which lacquer is obtained, Syn.Japanese sumac, Toxicodendron vernicifluum, Japanese varnish tree, lacquer tree, Chinese lacquer tree, Rhus verniciflua, Japanese lacquer tree

western poison oak

(n)poisonous shrub of the Pacific coast of North America that causes a rash on contact, Syn.Rhus diversiloba, Toxicodendron diversilobum

The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)

Cirrhus

n. Same as Cirrus. [ 1913 Webster ]

Menticirrhus

prop. n. A genus of kingfishes, including the whiting.
Syn. -- genus Menticirrhus. [ WordNet 1.5 ]

Rhus

‖n. [ L., sumac, fr. Gr. &unr_;&unr_;&unr_;. ] (Bot.) A genus of shrubs and small treets. See Sumac. [ 1913 Webster ]

Rhusma

n. [ See Rusma. ] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, -- used in the depilation of hides. Knight. [ 1913 Webster ]

Schirrhus

n. See Scirrhus. [ 1913 Webster ]

Scirrhus

n.; pl. L. Scirrhi E. Scirrhuses [ NL., from L. scirros, Gr. &unr_;, &unr_;, fr. &unr_;, &unr_;, hard. ] (Med.) (a) An indurated organ or part; especially, an indurated gland. [ Obs. ] (b) A cancerous tumor which is hard, translucent, of a gray or bluish color, and emits a creaking sound when incised. [ Sometimes incorrectly written schirrus; written also skirrhus. ] [ 1913 Webster ]