Word Study
Rockling
CIDE DICTIONARY
Rockling, n.
Any species of small marine fishes of the genera Onos and Rhinonemus (formerly Motella ), allied to the cod. They have three or four barbels. [1913 Webster]
OXFORD DICTIONARY
Rockling, n. any of various small marine fish of the cod family, esp. of the genus Ciliata and Rhinomenus, found in pools among rocks.
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