roll

  • 131Roll call — Roll Roll, n. [F. r[^o]le a roll (in sense 3), fr. L. rotulus ? little wheel, LL., a roll, dim. of L. rota a wheel. See {Roll}, v., and cf. {R[^o]le}, {Rouleau}, {Roulette}.] 1. The act of rolling, or state of being rolled; as, the roll of a… …

    The Collaborative International Dictionary of English

  • 132Roll forming — Roll forming, also spelled rollforming, is a continuous bending operation in which a long strip of metal (typically coiled steel) is passed through consecutive sets of rolls, or stands, each performing only an incremental part of the bend, until… …

    Wikipedia