Sheave

n.
  1. A wheel having a groove in the rim for a rope to work in, and set in a block, mast, or the like; the wheel of a pulley.
  2. Sheave hole ,
    a channel cut in a mast, yard, rail, or other timber, in which to fix a sheave.

v. t.
  1. To gather and bind into a sheaf or sheaves; hence, to collect.