A local name for the fish also called mary-sole, smear-dab, and sand-fluke.
1836. Yarrell, Brit. Fishes, II. 241. The Kit of Jago is the smooth or small-headed dab.
1880–4. Day, Fishes Gt. Brit., II. 29. Pleuronectes microcephalus,… [in] Cornwall … it has likewise been known as kit;… at Hove, as ‘the kit.’
