•rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
Etimoloji
Etymology tree English preserve Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English preserver From preserve + -er.