pollen

noun

pol·​len ˈpä-lən 

1

: a mass of microspores in a seed plant appearing usually as a fine dust

2

: a dusty bloom on the body of an insect

Examples of pollen in a Sentence

Recent Examples on the Web

Hay Fever Allergic rhinitis, commonly known as seasonal allergies or hay fever, is a response to allergens such as pollen. —Lauren O'Connor, Ms, Health, 10 Feb. 2025

The National Eye Institute also notes that allergens such as pollen, dust mites, mold, and dander can also cause or contribute to pink eye. —Daryl Austin, USA TODAY, 26 Dec. 2024

These trees release huge quantities of pollen in the winter months, which can spark allergic rhinitis or hay fever. —Benedict Cosgrove, Newsweek, 19 Dec. 2024

The dry air, coupled with an increase in particles and pollen flying around, may especially impact residents with allergies and respiratory issues. —Maura Fox, The Mercury News, 10 Dec. 2024

Word History

Etymology

New Latin pollin-, pollen, from Latin, fine flour

First Known Use

1723, in the meaning defined at sense 1

Phrases Containing pollen

• pollen basket
• pollen count
• pollen grain
• pollen mother cell
• pollen sac
• pollen tube

Kids Definition

pollen

noun

pol·​len ˈpäl-ən 

: a mass of tiny particles in the anthers of a flower that fertilize the seeds and usually appear as fine yellow dust

Medical Definition

pollen

noun

pol·​len ˈpäl-ən 

: a mass of male spores in a seed plant appearing usually as a fine dust