glow·er 
(glouər)
(glouər)intr.v. glow·ered, glow·er·ing, glow·ers
To look or stare angrily or sullenly: glowered at the rude patron. See Synonyms at frown.
n.
An angry or sullen look or stare.
[Middle English gloren, probably of Scandinavian origin; see ghel-2 in the Appendix of Indo-European roots.]
glower·ing·ly adv.
- circulate
- circulating library
- circulation
- circulative
- circulator
- circulatory
- circulatory system
- circum-
- circumambience
- circumambiency
- circumambient
- circumambiently
- circumambulate
- circumambulation
- circumboreal
- circumcise
- circumciser
- circumcision
- circumduction
- circumference
- circumferential
- circumfix
- circumflex
- circumfluent
- circumfluous