being popular / the genre of pop music / (computing) popping (removing (a data item) from the top of a stack)

pop, popular (aimed at the general public)

Richmond (a town in London, England) / Richmond (a town in Yorkshire, England) / Richmond (the capital city of Virginia) / Richmond (a city in Indiana) / Richmond (a city in Kentucky)

a treadmill (piece of indoor sporting equipment)

(Norse mythology) Frigg

physicist

(phonology) stress accent

semifreddo

(in compounds) sonic

(video games) Short for ソニック・ザ・ヘッジホッグ (Sonikku za Hejjihoggu): Sonic the Hedgehog (video game series or the titular character)