(now meteorology) An atmospheric or meteorological phenomenon. These were sometimes classified as aerial or airy meteors (winds), aqueous or watery meteors (hydrometeors: clouds, rain, snow, hail, dew, frost), luminous meteors (rainbows and aurora), and igneous or fiery meteors (lightning and shooting stars).

(intransitive) To move at great speed.

Transmigration of the soul, especially its reincarnation after death.

Of, pertaining to, or originating from a meteor. / Like a meteor in speed, brilliance, or ephemeralness. / (geology) Of water: originating in the atmosphere. / Influenced by the weather.

(astronomy) A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere

US spelling of square metre.

(physics) An instrument that measures the local acceleration due to gravity (strength of the gravitational field).

A metallic or stony object or body that is the remains of a meteoroid.

an instrument used to measure the Q factor of an electric circuit at radio frequencies

The application of radar to the study of the atmosphere, and to the observation and prediction of weather.