/glin/ , Maine.
n.
1. a bright glow in the sky close to the horizon, usually taken as a portent of a storm.
v.i.
2. (of the sky near the horizon) to become lighter (often fol. by up ).
Also, glin .
[ cf. Newfoundland dial. glin, glynn, glim glow from distant ice; appar. akin to GLIM, GLIMMER, though source of n is unclear ]