noun
plural horns
[count] one of the hard pointed parts that grows on the head of some animals (such as cattle, goats, or sheep)
[count] :a hard pointed part that grows on the nose of a rhinoceros
[noncount] :the hard material of which horns are made
[count] :something that is shaped like a horn
[count] a brass musical instrument (such as a trumpet or trombone) - see also english horn, french horn
an instrument made from an animal's horn that is used for music or for producing loud signals
[count] :a device that makes a loud noise
the horn US slang :1telephone
blow your own horn
or toot your own horn
US informal :to talk about yourself or your achievements especially in a way that shows that you are proud or too proud
lock horns
on the horns of a dilemma
in a situation in which you have to choose between things that are unpleasant or undesirable
pull in your horns
also draw in your horns
to begin to behave in a more careful way especially; :to spend or invest money more carefully
take the bull by the horns
verb
horns; horned; horning
horn in
[phrasal verb] US informal + usually disapproving :to add your comment or opinion to a conversation or discussion that you have been listening to
usually + on
US