Glair (?), n. [F. glaire, glaire d'uf, the glair of an egg, prob. fr. L. clarus clear, bright. See Clear, a.]
1.
The white of egg. It is used as a size or a glaze in bookbinding, for pastry, etc.
2.
Any viscous, transparent substance, resembling the white of an egg.
3.
A broadsword fixed on a pike; a kind of halberd.
© Webster 1913.
Glair, v. t. [imp. & p. p. Glaired (?); p. pr. & vb. n. Glairing.]
To smear with the white of an egg.
© Webster 1913.