glow·er 
/ˈglawɚ/ verb
glow·ers; glow·ered; glow·er·ing /ˈglawɚ/ verb [no obj] : to look at someone or something in an angry way
▪ The librarian glowered at us when she heard us laughing. — sometimes used figuratively ▪ a glowering [=dark, forbidding] sky
▪ The librarian glowered at us when she heard us laughing. — sometimes used figuratively ▪ a glowering [=dark, forbidding] sky
— glower noun, plural glowers [count]
▪ The librarian looked at us with a glower of annoyance.
▪ The librarian looked at us with a glower of annoyance.
