pellet /ˈpɛl.ɪt/noun 5verb 2forms 3phrases 1 noun5 •A small, compressed, hard chunk of matter. •Compressed byproduct of digestion regurgitated by owls and many other birds of prey, which serves as a waste disposal mechanism for indigestible parts of food, such as fur and bones. •A lead projectile used as ammunition in rifled air guns. •A roundel sable (black circular spot). •One of the short conductive tubes in a Pelletron particle accelerator. verb2 •To form into pellets. •To strike with pellets. formspelleted · pelleting · pellets Phrases with pellet pellet mouldingA narrow band ornamented with small flat disks.