Definition: To wrinkle the brows, as in frowning or displeasure; to
put on a frowning look; to look sour, sullen, severe, or angry.
Definition: Hence, to look gloomy, dark, or threatening; to lower.
Definition: To look at or repel with a scowl or a frown.
Definition: To express by a scowl; as, to scowl defiance.
Definition: The wrinkling of the brows or face in frowing; the
expression of displeasure, sullenness, or discontent in the
countenance; an angry frown.
Definition: Hence, gloom; dark or threatening aspect.