3.a member of a large group of young people who go into a public place, surprise and frighten the people there, and then rob them 〔大批涌入公共场所,对人实施恐吓抢劫的〕结帮抢劫者,团伙抢劫者
Examples from the Corpus
steamer• From there a steamer took him to New York in twenty days.• A very similarspecies is the flyingsteamerduck.• In 1895 Sunderland was added to the ports of call down the EastCoast now being served by four steamers.• Mississippi steamers all had the instruments which could be heard for miles.• So crack open those mustysteamertrunks.• Salim makes good his escape on the steamer - bound, we take it, for his bride.• On the steamers and bargesnobody was even hit.