Obs. [app. an error, or imaginary form invented as an etymological link.]

1

1695.  Kennett, Par. Antiq., Gloss. s.v. Cock-boat, Which word [cog] … is still preserv’d upon the Sea coasts in Yorkshire, where they call a small fisher-boat a Coggle, and in some places by corruption a Cobble.

2

(Hence 1775.  Ash, Coggle, a kind of boat, a cock-boat.

3

1847–78.  in Halliwell; and in mod. Dicts.)

4