|  | 
Definition of Pollen count
1. Noun. The number of pollen grains (usually ragweed) in a standard volume of air over a twenty-four hour period and a specified time and place. 
Generic synonyms: Count
|  | 
1. Noun. The number of pollen grains (usually ragweed) in a standard volume of air over a twenty-four hour period and a specified time and place.