From Longman Dictionary of Contemporary Englishbandolierban‧do‧lier /ˌbændəˈlɪə $ -ˈlɪr/ noun [countable] PMWa belt that goes over someone’s shoulder and is used to carry bullets
Examples from the Corpus
bandolier• But also, I carried a bandolier of the shotgun-type shells, white phosphorous, and smoke rounds.Origin bandolier (1500-1600) Early French bandouillere, from Old Spanish bando “band, belt” 