① horn
1 <animal>
a) [countable] the hard pointed thing that grows, usually in pairs, on the heads of animals such as cows and goats [ antlers]
b) [uncountable] the substance that animals' horns are made of:
a knife with a horn handle
c) [countable] a part of an animal's head that sticks out like a horn, for example on a snail
2 <on a car> [countable] the thing in a vehicle that you use to make a loud sound as a signal or warning
sound/toot/honk/blow your horn (=make a noise with your horn)
3 <musical instrument> [countable]
a) a musical instrument like a long metal tube that is wide at one end, that you play by blowing
b) informal a trumpet
c) a French horn
d) a musical instrument made from an animal's horn → English horn
4 drinking horn/powder horn etc a container in the shape of an animal's horn, used in the past for drinking from, carrying gunpowder etc
5 draw/pull in your horns to reduce the amount of money you spend
6 be on the horns of a dilemma to be in a situation in which you have to choose between two equally unpleasant or difficult situations
② ferret [countable]
a small animal with a pointed nose, used to hunt rats and rabbits
③ lime
1 [countable] a small juicy green fruit with a sour taste, or the tree this grows on
2 [countable] a tree with pleasant-smelling yellow flowers [= linden]
3 [uncountable] a white substance obtained by burning limestone, used for making cement, marking sports fields etc [= quicklime]
4 [uncountable] a light yellowish green colour
④ push-up [countable usually plural] American English
an exercise in which you lie on the floor on your chest and push yourself up with your arms [= press-up British English]