Brass Instrument Sometimes Called the Tenor Tuba

This page is the CodyCross answer for the clue below from Fantasy World , Group 867, Puzzle 3 (Immortality).

Question is: Brass Instrument Sometimes Called the Tenor Tuba

and the answer is: EUPHONIUM

Word Meaning:

EUPHONIUM — A valved brass instrument with conical tubing similar in appearance to a tuba but of higher pitch.

Definitions from Wiktionary.