RUDDOCK

Rud″dock (?), n. [[AS. ruddic; cf. W. rhuddog the redbreast. √113. See Rud, n.]] [Written also raddock.] 1. 1. (Zoöl.) The European robin. “The tame ruddock and the coward kite.” Chaucer.
2. 2. A piece of gold money; — probably because the gold of coins was often reddened by copper alloy. Called also red ruddock, and golden ruddock.
Great pieces of gold . . . red ruddocks. Florio.