dial. A local name of the Black-headed Gull, particularly in the Eastern Counties.
1676. Willughby, Ornithol., 266. Larus fuscus sive Hybernus, in agro Cantabrigiensi Coddy-moddy [Ray transl. (1678), 350 The Winter-Mew, called in Cambridge-shire the Coddy-moddy].
1802. G. Montagu, Ornith. Dict., Coddy-moddy, vide Gull, Winter.
1837. Penny Cycl., VII. 314. Coddy moddy. A gull in its first year’s plumage.
