Definitions

1. noun

a person or device that fans, especially a machine that supplies air or gas to a process

“The fanner was used to speed up the drying process in the factory.”

2. verb

to fan or cause to fan, especially to supply air or gas to a process

“The operator fanned the coal to help it burn more efficiently.”

3. verb

to scatter or distribute seed, especially in a garden

“The farmer fanned the seeds across the field for better germination.”