[f. Gr. ἄνεμος wind + -(O)METER; cf. barometer.]
1. An instrument for measuring the force of the wind; a wind-gauge.
172751. Chambers, Cycl., Anemometer, a machine wherewith to measure the strength of the wind.
1818. Art of Preserv. Feet, 36. They act as living anemometers to ascertain the direction of the wind, especially when it is easterly.
1838. in Proc. Amer. Phil. Soc., I. 3. Drawings of a self-registering anemometer.
1860. Maury, Phys. Geog. Sea, ii. § 88. The sea-weed serves the mariner as a sort of marine anemometer.
2. An apparatus for indicating the wind-pressure in an organ.
1876. Hiles, Catech. Organ, viii. (1878), 55. A wind-gauge, or anemometer is a small curved glass tube into which a little water is poured, and it is then placed in one of the pipe holes on the sound board.