The most common and most likely answer to this crossword clue is the 4 letter word HORN
I've seen this crossword clue in The Daily Telegraph
H
O
R
N
More clues leading to the result HORN
- Hard growth is essentially difficult
- 2’s villain with no hair after losing head
- Instrument actress detected on radio
- Instrument that's blown with lips to make glasses
- Skittish ornithologist gives warning of advance
- House sailors, at a cape?
- Brass comes from Hydrogen or Nitrogen
- Lip in instruments that are blown to make glasses
- Tip of wafer in sweet cornet, say
- Does it warn to keep away from the bull?
Buddy explains!
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HORN mean?
HORN noun- A hard growth of keratin that protrudes from the top of the head of certain animals, usually paired.
- Any similar real or imaginary growth or projection such as the elongated tusk of a narwhal, the eyestalk of a snail, the pointed growth on the nose of a rhinoceros, or the hornlike projection on the head of a demon or similar.
- An antler.
- The hard substance from which animals' horns are made, sometimes used by man as a material for making various objects.
- An object whose shape resembles a horn, such as cornucopia, the point of an anvil, or a vessel for gunpowder or liquid.
- Any of several musical wind instruments.
- An instrument resembling a musical horn and used to signal others.
- A loud alarm, especially one on a motor vehicle.
- A sound signaling the expiration of time.
- A conical device used to direct waves.
- Generally, any brass wind instrument.
- (from the horn-shaped earpieces of old communication systems that used air tubes) A telephone.
- (definite article) An erection of the penis.
- A peninsula or crescent-shaped tract of land.
- A diacritical mark that may be attached to the top right corner of the letters o and u when writing in Vietnamese, thus forming ơ and ư.
- An incurved, tapering and pointed appendage found in the flowers of the milkweed (Asclepias).
- (of an animal) To assault with the horns.
- To furnish with horns.
- To cuckold.