Term: pitch pipe: a small pipe sounding a tone of standard frequency; used to establish the starting pitch for unaccompanied singing
Broader: artifact: a man-made object taken as a whole | Unrelated: restharrow: European woody plant having pink flowers and unifoliate leaves and long tough roots; spreads by underground runners
Broader: artifact: a man-made object taken as a whole | Unrelated: cone clutch: a friction clutch in which the frictional surfaces are cone-shaped
Broader: artifact: a man-made object taken as a whole | Unrelated: immobility: the quality of not moving
Broader: artifact: a man-made object taken as a whole | Unrelated: gyroscope: rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction
Broader: artifact: a man-made object taken as a whole | Unrelated: academy: a school for special training
Broader: artifact: a man-made object taken as a whole | Unrelated: emissary vein: one of several connecting veins in the scalp and head that drain blood from sinuses in the dura mater to veins outside the skull
Broader: artifact: a man-made object taken as a whole | Unrelated: alkalosis: abnormally high alkalinity (low hydrogen-ion concentration) of the blood and other body tissues
Broader: artifact: a man-made object taken as a whole | Unrelated: metric linear unit: a linear unit of distance in metric terms
Broader: artifact: a man-made object taken as a whole | Unrelated: spyware: computer software that obtains information from a user's computer without the user's knowledge or consent
Broader: artifact: a man-made object taken as a whole | Unrelated: tea: a tropical evergreen shrub or small tree extensively cultivated in e.g. China and Japan and India; source of tea leaves