WordReference Random House Unabridged Dictionary of American English © 2025
aer•a•tor
(âr′ā tər, ā′ə rā′-),USA pronunciation n.
- an apparatus for aerating water or other fluids.
- Agriculturea device for introducing air into a bin of wheat or other grain in order to prevent the accumulation of moisture, keeping it free of fungi and insects.
- aerate + -or2 1860–65