v. t. [ imp. & p. p. Coopered p. pr. & vb. n. Coopering. ] To do the work of a cooper upon; as, to cooper a cask or barrel. [ 1913 Webster ]

n. [ From Coop. ] One who makes barrels, hogsheads, casks, etc. [ 1913 Webster ]

n. 1. Work done by a cooper. [ 1913 Webster ]

2. The price paid for coopers' work. [ 1913 Webster ]

3. A place where coopers' work is done. [ 1913 Webster ]

a. [ Cf. F. coopérant. ] Operating together; as, cooperant forces. [ 1913 Webster ]

v. i. [ imp. & p. p. Cooperated; p. pr. & vb. n. Cooperating. ] [ L. cooperatus, p. p. of cooperari to cooperate; co + operari to work, opus work. See Operate. ] To act or operate jointly with another or others; to concur in action, effort, or effect. [ 1913 Webster ]

Whate'er cooperates to the common mirth. Crashaw. [ 1913 Webster ]

n. [ L. cooperatio: cf. F. coopération. ] 1. The act of cooperating, or of operating together to one end; joint operation; concurrent effort or labor. [ 1913 Webster ]

Not holpen by the cooperation of angels. Bacon. [ 1913 Webster ]

2. (Polit. Econ.) The association of a number of persons for their benefit. [ 1913 Webster ]

a. Operating jointly to the same end. [ 1913 Webster ]

Cooperative society, a society established on the principle of a joint-stock association, for the production of commodities, or their purchase and distribution for consumption, or for the borrowing and lending of capital among its members. --
Cooperative store, a store established by a cooperative society, where the members make their purchases and share in the profits or losses. [ 1913 Webster ]

n. [ L.: cf. F. coopérateur. ] One who labors jointly with others to promote the same end. “Cooperators with the truth.” Boyle. [ 1913 Webster ]

n. Work done by a cooper in making or repairing barrels, casks, etc.; the business of a cooper. [ 1913 Webster ]

a. Relating to a cooper; coopered. [ Obs. ] [ 1913 Webster ]

Coopery vessels made of wood. Holland. [ 1913 Webster ]