
1) Brass instrument
Found on
https://www.crosswordclues.com/clue/buccin

The buccin is a visually distinctive trombone popularized in military bands in France between 1810–1845 which subsequently faded into obscurity. It should not be confused with another instrument of the same name, revived in France in 1791 and modeled after the ancient Roman buccina which could deliver only three distinct notes. The Grove Diction...
Found on
http://en.wikipedia.org/wiki/Buccin

large sea snail or whelk, also called bulot.
Found on
http://www.patriciawells.com/glossary/
No exact match found.