Any of various shrubs or small trees of the genus Rhus and other genera in Anacardiaceae, particularly the elm-leaved sumac, Sicilian sumac, or tanner's sumac (Rhus coriaria).

(US) One of the landowning Dutch grandees of the Dutch colony of New Amsterdam, especially after it became a British possession renamed as New York.

plural of immunoprecipitant

Alternative form of acanthodian