low·er 1 (louər, lour) also lour (lour)
intr.v. low·ered, low·er·ing, low·ers also loured or lour·ing or lours
1. To look angry, sullen, or threatening. See Synonyms at frown.
2. To appear dark or stormy, as the sky.
1. A threatening, sullen, or angry look.
2. A dark or stormy appearance: the lower of thunderheads.
[Middle English louren.]
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