(astronomy) The brightest star in the constellation Lyra; Alpha (α) Lyrae. It forms one corner of the Summer Triangle.

A surname from Spanish. / A small city, the county seat of Oldham County, Texas, United States.

(historical) An automobile that was manufactured by Chevrolet Motor Division of General Motors Corporation from 1970 to 1977.

(mathematics, physics) The angle turned, in a given time, by a body rotating about an axis; the rate of rotation through an angle.

(law) The principle of a corporation being a separate legal person from its members (ie. shareholders).

(Latin America, Philippines) An open tract of ground; a plain, especially one which is moist and fertile, such as those used for growing tobacco.

(finance) A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.

(physics) the propagation velocity of the envelope of a modulated travelling wave, which is considered as the propagation velocity of information or energy contained in it.

(physics) The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas.

Covered by a veil. / (figuratively) Partly hidden or concealed.