Aerator

Pronunciation: /ˈæɛɹətɔɹ/

Aerator (noun)

  1. A small part on a tap that mixes air with water to make the flow smoother.
  2. A device in water that releases air bubbles to help fish and plants get enough oxygen.
  3. A tool or machine that makes holes in soil so air can reach plant roots.

Examples

  • The aerator makes the tap water feel softer.
  • An aerator spreads water evenly across the sink.