[dim., related to ON. kolla cow (properly without horns), a hind, a girl; see COLL v.2] (See quot.)
1719. DUrfey, Pills, V. 11. Sawney shall neer be my Colly, my Cow.
1881. Leicestersh. Gloss., Colly, a term of endearment for a cow.
Colly, var. of COLLIE, sheep-dog.