noun
aqualung; scuba gear
Trademarked name for underwater breathing apparatus; often used generically for scuba equipment.
See also: スキューバ
彼はアクアラングを背負って海に潜った。
He dove into the sea wearing an aqualung.
Standard katakana spelling for the trademarked diving equipment.
Search-only form with interpunct; not a common written variant.
スキューバ (scuba) is the more common modern term for self-contained underwater breathing apparatus; アクアラング is an older trademark that may still be encountered.
From the English trademark 'Aqualung', coined by Jacques Cousteau and Émile Gagnan.