Collins COBUILD Advanced Learner's English Dictionary - toot

(toots, tooting, tooted) If someone toots their car horn or if a car horn toots, it produces a short sound or series of sounds. People set off fireworks and tooted their car horns... Car horns toot as cyclists dart precariously through the traffic... = hoot VERB: V n, V • Toot is also a noun. The driver gave me a wave and a toot. N-SING