"glower" in the noun sense
1. glare, glower
an angry stare
"glower" in the verb sense
1. glower, glare
look at with a fixed gaze
"The girl glared at the man who tried to make a pass at her"
2. frown, glower, lour, lower
look angry or sullen, wrinkle one's forehead, as if to signal disapproval
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License