Definition of "furrowing" [furrowing]

• Present participle of furrow. (verb)

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• "Mook knelt nearby, a worried expression furrowing his brow."
• "He pictured Coach walking up beside him, observing the chaos, removing his cap, scratching his head, furrowing his brow, sighing, and saying, “Benny, you are about as useless as tits on a boar.”"
• "Thank god we now have a president who can compose a retort without furrowing his brow like an elephant taking a squat and stuttering out some resemblance to some stupid country home cooked analogy. fool me once …"