roving machine 粗纱机
Roving \Rov"ing\, n.
1. The operatin of forming the rove, or slightly twisted
sliver or roll of wool or cotton, by means of a machine
for the purpose, called a roving frame, or roving machine.
2. A roll or sliver of wool or cotton drawn out and slightly
twisted; a rove. See 2d {Rove}, 2.
{Roving frame}, {Roving machine}, a machine for drawing and
twisting roves and twisting roves and winding them on
bobbin for the spinning machine.