集

emergency summons

Computing

centralized management; centrally controlled system

to gather in large groups

intensive care

waste collection vehicle; dustcart; garbage truck

garbage collection; waste collection; rubbish collection

anticipated questions and answers (e.g. for a press conference, interview or oral exam); collection of hypothetical questions and answers

to sweep up together; to sweep into a heap

to put heads together; to gather (for discussion); to go into a huddle

Mathematics

subset

gang assault; mob violence

gang rape

to gather; to collect

(whole) group

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

Law

class action; class-action suit; class-action lawsuit

think tank

garbage collection site; trash disposal area

editorial committee member; editorial board member; senior staff writer (of a newspaper)

village garbage collection point

plant collecting

meeting and parting; alliance and rupture (e.g. changing alignment of political parties)

lexicography

centralization of power; centralisation of power

closely-packed series of lectures; intensive course