The Collaborative International Dictionary of English v.0.48:
Gley \Gley\, v. i. [OE. gli[yogh]en, glien, gleien, to shine, to squint; cf. Icel. glj[=a] to glitter.] To squint; to look obliquely; to overlook things. [Scot.] --Jamieson. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Gley \Gley\, adv. Asquint; askance; obliquely. [1913 Webster]