Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “horn”

See all translations

horn

noun uk   /hɔːn/ us    /hɔːrn/

horn noun (ANIMAL)

C1 [C or U] a hard, pointed, often curved part that grows from the top of the head of some animals, or the hard substance of which a horn is made
More examples

horn noun (VEHICLE)

B2 [C] a device on a vehicle that is used to make a loud noise as a warning or signal to other people: The driver blew/sounded ( informal honked) her horn.
See also

horn noun (MUSIC)

C2 [C] a curved metal musical instrument that is narrow at the end you blow into and much wider at the other end
(Definition of horn from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of horn?
Add Cambridge dictionaries to your browser to your website

Definitions of “horn” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More