Sole n. Zool. (a) Any one of several species of flatfishes of the genus Solea and allied genera of the family Soleidae, especially the common European species (Solea vulgaris), which is a valuable food fish. (b) Any one of several American flounders somewhat resembling the true sole in form or quality, as the California sole (Lepidopsetta bilineata), the long-finned sole (Glyptocephalus zachirus), and other species.
Lemon, ∨ French, sole Zool., a European species of sole (Solea pegusa).
Smooth sole Zool., the megrim.