Also cockie. [f. COCK sb.1 + -Y.] Diminutive of COCK sb.1 (Formerly a term of endearment: cf. F. coco, app. for cocot dim. of coq.)
1687. Congreve, Old Bach., IV. iv. (1693), 31. Nay look you now if she does not weep—’Tis the fondest Fool—Nay Cocky, Cocky, nay dear Cocky, do not cry, I was but in Jest.
1789. Burns, Ep. Dr. Blacklock. Gratefully my guid auld cockie, I’m yours for ay.
