Dop \Dop\, Doop \Doop\, n. A little copper cup in which a diamond is held while being cut. [1913 Webster]
Dop \Dop\, v. i. [Cf. {Dap}, {Dip}.] To dip. [Obs.] --Walton. [1913 Webster]
Dop \Dop\, n. A dip; a low courtesy. [Obs.] --B. Jonson. [1913 Webster]
DOP Directory Operational binding management Protocol