əˈrästrə noun
or ar·ras·tre -ˌstrā ; or aras·tra əˈrästrə
( -s )
Etymology: modification of Mexican Spanish arrastre, from Spanish, haulage, dragging, from arrastrar to drag, from a- (from Latin ad- ) + rastrar to drag, from rastro rake, harrow, from Latin rastrum rake — more at raster
: a rude drag-stone mill for pulverizing ores (as those containing free gold)