from
The Collaborative International Dictionary of English v.0.48
Scowl \Scowl\ (skoul), v. i. [imp. & p. p. {Scowled} (skould);
p. pr. & vb. n. {Scowling}.] [Akin to Dan. skule; cf. Icel.
skolla to skulk, LG. schulen to hide one's self, D. schuilen,
G. schielen to squint, Dan. skele, Sw. skela, AS. sceolh
squinting. Cf. {Skulk}.]
1. To wrinkle the brows, as in frowning or displeasure; to
put on a frowning look; to look sour, sullen, severe, or
angry.
[1913 Webster]
She scowled and frowned with froward countenance.
--Spenser.
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2. Hence, to look gloomy, dark, or threatening; to lower.
"The scowling heavens." --Thomson.
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