カスク

noun

bicycle helmet; leather hairnet helmet

Specifically refers to a traditional leather hairnet-style bicycle helmet, from French 'casque'. Not a modern hard-shell helmet.

from French casque

• 昔むかしの自じ転てん車しゃ選せん手しゅはカスクをかぶっていた。

  Old-time cyclists wore leather hairnet helmets.

noun

cask; barrel

From English 'cask'; a container for liquids, especially alcoholic drinks.

• ウイスキーはカスクで熟じゅく成せいされる。

  Whisky is aged in casks.