toot verb definition in Motoring problems and accidents topic from the Oxford Advanced Learner's Dictionary

toot

 verb: Motoring problems and accidents topic
[intransitive, transitive] (especially British English) when a car horn toots or you toot it, it makes a short high sound the sound of horns tooting A horn tooted outside signaling the arrival of my taxi. toot something Toot your horn to let them know we're here.