Meaning

noun a worker who casts molten metal into finished products

noun a shaker with a perforated top for sprinkling powdered sugar

noun a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable

originEtymology tree Proto-Germanic *kas- Proto-Germanic *kastōną Old Norse kastabor. Middle English casten English cast 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 caster From cast + -er; the wheel sense comes from obsolete cast (“to turn”).

Etymology from Wiktionary, CC BY-SA 3.0