GLAIR, noun [Eng. clear, Latin clarus, and with Eng. glare, and Latin gloria; perhaps with Latin glarea, gravel, or pieces of quartz.]
1. The white of an egg. It is used as a varnish for preserving paintings.
2. Any viscous transparent substance, resembling the white of an egg.
3. A kind of halbert.
GLAIR, verb transitive To smear with the white of an egg; to varnish.