Archaic or Scottish dialect: flattery, cajolery, or persuasive smooth talk intended to charm or influence someone.
From glaver (to flatter/cajole) + -ing (gerund or present participle suffix). The word describes the action or process of flattering speech.
When someone was caught 'glavering,' everyone in the Scottish village knew you were trying to butter someone up—the word itself became a social warning label.
Complete word intelligence in one call. Free tier — 50 lookups/day.