2. A tornado. See above, and Tornado. [Middle U. S.]

{ Cyclone cellar or pit }. A cellar or excavation used for refuge from a cyclone, or tornado. [Middle U. S.]

Cy*clo"no*scope (?), n. [Cyclone + -scope.] An apparatus to assist in locating the center of a cyclone.

Cy"mo*graph (?), n. [Cyma + - graph.] (a) An instrument for making tracings of the outline or contour of profiles, moldings, etc. (b) Var. of Kymograph. -- Cy`mo*graph"ic (#), a.

Cy"mo*graph, v. t. To trace or copy with a cymograph.

Cy*mom"e*ter (?), n. [Gr. &?; wave - meter.] An instrument for exhibiting and measuring wave motion; specif. (Elec.), an instrument for determining the frequency of electic wave oscillations, esp. in connection with wireless telegraphy.

Cy"mo*scope (?), n. [Gr. &?; wave + - scope.] (Elec.) Any device for detecting the presence of electric waves. The influence of electric waves on the resistance of a particular kind of electric circuit, on the magnetization of steel, on the polarization of an electrolytic cell, or on the electric condition of a vacuum has been applied in the various cymoscopes.

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