/ tuːt; NAmE / noun , verb
■ noun
a short high sound made by a car horn or a whistle :
She gave a sharp toot on her horn.
■ verb
( especially BrE ) when a car horn toots or you toot it, it makes a short high sound :
[ v ]
the sound of horns tooting
[ vn ]
Toot your horn to let them know we're here.
•
IDIOMS
see horn
••
WORD ORIGIN
early 16th cent.: probably from Middle Low German tūten , but possibly an independent imitative formation.