How to Say "antler" in Spanish
The Spanish word for “antler” is “cuerno” — A2 level. This is a very common word in everyday Spanish.
English → SpanishA2
nounA2
Used sometimes for deer, though 'asta' is more specific

Examples
El rinoceronte tiene un cuerno muy largo.
The rhinoceros has a very long horn.
Este peine está hecho de cuerno de buey.
This comb is made of ox horn.
Making it Plural
Since it ends in a vowel, just add -s: 'los cuernos'.
Horns vs. Trumpets
Mistake: “Using 'cuerno' for a modern musical horn.”
Correction: Use 'trompa' or 'corno francés' for the musical instrument; 'cuerno' usually refers to the animal part or a primitive bugle.
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