Dop, Doop (?), n. A little copper cup in which a diamond is held while being cut.[1913 Webster]
Dop, v. i. [Cf. Dap, Dip.] To dip. [Obs.] Walton.[1913 Webster]
Dop, n. A dip; a low courtesy. [Obs.] B. Jonson.[1913 Webster]