Obs. (See quot.)
1688. R. Holme, Armoury, II. 154/1. The Brills in the hair on the Eye-lids [of a horse].
1725. Bradley, Fam. Dict., II. s.v. Horse, To begin with the Hair . 5. The Cronet, which is the Hair that grows over the Top of the Hoof. 6. The Brills, being the Hair on the Eye-lids.