A fresh-water European fish of the Carp family (
Leuciscus erythrophthalmus). It is about the size and shape of the roach, but it has the dorsal fin farther back, a stouter body, and red irises. Called also
redeye,
roud,
finscale, and
shallow. A blue variety is called
azurine, or
blue roach. [
1913 Webster]