How common is the character 觘?

Extremely rare. It appears primarily in classical texts and specialized contexts, not in modern everyday usage.

What does 觘 specifically refer to?

It refers specifically to the sharp, pointed tips of animal horns or antlers, not the entire horn.

No, this character is essentially never used in modern naming due to its obscurity and specific meaning.

觘Tone 4

chào ｜ 11 strokes ｜ radical:

A rare character meaning the sharp, pointed tips of horns or antlers;

specifically refers to the sharp ends of animal horns.

A rare character meaning the sharp, pointed tipsspecifically refers to the sharp ends of animal

horn tipssharp hornsdeer antler tipspointed hornshorn points