noun
conch; trumpet shell
Refers to large marine snails of the family Ranellidae, especially Charonia tritonis, whose shells are used as horns.
海岸で大きなほら貝を拾った。
I found a large conch shell on the beach.
法螺貝を吹くと、低い音が響いた。
When I blew the conch shell, a low sound echoed.
Rare kanji spelling using outdated characters.
The word ほら (hora) is of uncertain origin, possibly onomatopoeic from the sound of the shell horn. 貝 (kai/gai) means 'shell'.