brills means spectacles (glasses), especially double-jointed ones. Lexicurio rates it Sui generis — a strength score of 89 out of 100.
noun
- Spectacles (glasses), especially double-jointed ones.
- The hair on the eyelids of a horse.“PARTS OF A HORSE’S BODY. […] 6. The brills, which is the hair on the eyelids.”