aerator
/ˈɛreɪtər/
noun
- A device or tool used to add air or gas to something, such as soil, water, or a liquid.
- The fish tank aerator keeps the water oxygenated for the fish.
- He rented a lawn aerator to punch holes in the compacted soil.
- A wine aerator helps the wine breathe and improves its flavor.
Synonyms