Webster's Revised Unabridged Dictionary · 1913

Gley

Gley , intransitive verb

[Old English gliyen, glien, gleien, to shine, to squint; compare Icelandic gljā to glitter.]

To squint; to look obliquely; to overlook things. [Scottish] — Jamieson

Gley , adverb

Asquint; askance; obliquely.