Meanings

collecting

hospitality (industry)

collectibles

phalanx

going to school in groups

past (exam) question collection

wisdom of crowds

mass infection

mass outbreak (of a disease)

groupthink

concentration (of one's attention)

ethnic group

emergency meeting of the upper house of the Diet (in response to dissolution of the lower house)

Suffering, Source of Suffering Desire, The Cessation of Suffering, The Way Leading to the Cessation of Suffering (The Four Noble Truths of Buddhism)

mass recruitment

group consciousness

groupism

labour intensive industry

labour intensive

collected waka poems (of a single poet)