Noun
a wheel composed of abrasive material; used for grinding
Source: WordNetIt is named for the trapiche, a grinding wheel used to process sugarcane in the region. Source: Internet
The faceted beads are then poured onto a tray and briefly reheated just long enough to melt the surface, "polishing" out any minor surface irregularities from the grinding wheel. Source: Internet
They derive their name from the second half of a two-part process: first, the glass batch is poured into round bead molds, then they are faceted with a grinding wheel. Source: Internet