A male deer's antlers are the branched horns on its head.
antler in British English
(ˈæntlə)
noun
one of a pair of bony outgrowths on the heads of male deer and some related species of either sex. The antlers are shed each year and those of some species grow more branches as the animal ages
Word origin
C14: from Old French antoillier, from Vulgar Latin anteoculare (unattested) (something) in front of the eye
antler in American English
(ˈæntlər)
noun
1.
the branched, annually shed, bony growth on the head of any animal of the deer family
2.
any branch of such a growth
Derived forms
antlered (ˈantlered)
adjective
Word origin
ME aunteler < OFr antoillier < ?
Examples of 'antler' in a sentence
antler
As the antlers grow, they branch into increasingly larger forks.
Smithsonian Mag (2017)
The one that consumes the best diet for growing antlers and gaining weight will be the heavyweight in the fight.
Christianity Today (2000)
No blood sports are involved: deer shed their antlers once a year.
Times, Sunday Times (2009)
We had to slightly badger him to wear the antlers, but he finally gave in.
The Sun (2013)
The question probably didn't nag those seeing in the year while wearing reindeer antlers.
Times, Sunday Times (2007)
The bucks are now growing their new antlers, which are quite short but very elegant.
Times, Sunday Times (2006)
Except, rather than having antlers, footballers wear helmets.
Times, Sunday Times (2012)
Meanwhile the stags lose their antlers, and grow new, generally larger ones.