Whitethroat \White"throat`\, n. (Zo["o]l.) Any one of several species of Old World warblers, esp. the common European species ({Sylvia cinerea}), called also {strawsmear}, {nettlebird}, {muff}, and {whitecap}, the garden whitethroat, or golden warbler ({S. hortensis}), and the lesser whitethroat ({S. curruca}).