D defs.my
Entry 2 senses · 2 variants Webster, 1913

Cooper

/ko͞op'-ẽr/ · Coop·er · IPA /ˈkupɚ/
01 n. One who makes barrels, hogsheads, casks, etc.
  1. 1.
    One who makes barrels, hogsheads, casks, etc.
02 v. t. To do the work of a cooper upon; as, to cooper a cask or barrel.
imp. & p. p. Coopered; p. pr. & vb. n. Coopering
  1. 1.
    To do the work of a cooper upon; as, to cooper a cask or barrel.