WEATHER-COCK, noun [weather and cock.] 1. Something in the shape of a cock placed on the stop of a spire, which by turning, shows the direction of the wind; a vane, or weather-vane. 2. Any thing or person that turns easily and frequently; a fickle, inconstant person.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI