turn indicator

noun Aeronautics.

a flight instrument that indicates the angular rate of turn of an aircraft about its vertical axis.
Compare bank-and-turn indicator.

Origin of turn indicator

First recorded in 1915–20

Words nearby turn indicator

turn button, turn down, turn for the better, turn in, turn in one's grave, turn indicator, turn of phrase, turn of the century, turn of the screw, the, turn of the tide, turn off