ETYM Old Eng. rroche; cf. as. reohha, Dutch rog, roch, German roche, lg. ruche, Dan. rokke ray, Swed. rocka, and Eng. ray a fish.
(Irregular plural: roaches).
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European freshwater food fish having a greenish back; SYN. Rutilus rutilus.
Curved cut in edge of sail for preventing chafing.
Any freshwater fish of the Eurasian genus Rutilus, of the carp family, especially r. rutilus of N Europe. It is dark green above, whitish below, with reddish lower fins; it grows to 35 cm/1.2 ft.