pollen UK /ˈpɒlən/US /ˈpɑlən/noun 3verb 1forms 3 noun3 •fine, often yellow powder that the male parts of flowers and cones make and that wind or insects often carry to female parts to fertilize them so seeds can form •Pollen grains (microspores) produced in the anthers of flowering plants. •(no longer used) powder of any kind, often flour that has been ground very smalland ther was good wyne of Gascoyne,[…]as well of pollen, as of other vitailes — 1523 verb1 •(literary) To cover with, or as if with, pollen. formspollened · pollening · pollens