underbrow /ˈʌndə(ɹ)ˌbɹaʊ/noun 2adjective 1adverb 1forms 1 noun2 •The portion of the face below the eyebrow and above the eyelid.The Friar's eyes now seemed to burn no more with light, but looked out stern beneath his underbrow's concave; his voice was grave; he stood erect as if to soar above his natural height: — 1971 •The lower portion of the eyebrow.Her big eyes are framed with brows that are almost bushy— the top part of the brow is left alone, only the underbrow is tweezed to give the brow an "angle." — 1954 adjective1 •With the brow lowered.'Snitch,' he muttered as he gave his daughter a comical underbrow glance. — 1995 adverb1 •From beneath a lowered brow.He looked underbrow at me. — 1970 formsunderbrows
