Auntie turned all the colors of the rainbow (literally, twenty-five colors).
La tía se puso de veinticinco colores.—PALACIO VALDÉS.
(b) In the sense of to go round or to make go round, turn is dar vuelta(s). In the phrase, to turn the corner, the verb may be translated doblar.
He was turning the wheel.
Daba vueltas a la rueda.
It was two o'clock when he turned (the corner) into Reconquista Street.
Eran las dos cuando dobló por la calle Reconquista.
—JOSÉ MÁRMOL.
Upon turning the corner he found himself in a small plaza.
Al dar vuelta a la esquina se halló en una plazuela.