aqualung

noun
     
aq‧ua‧lung [countable] trademark British English
a piece of equipment that provides a diver (=someone who swims underwater) with air, and which they wear on their backs

Dictionary results for "aqualung"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.