eyebrow
n. countablen. the line of hair that grows on your face above each eye. You use them to show feelings like surprise or anger.
n. the arch of hair growing on the ridge above the eye socket. Primarily serves to protect the eye from moisture and debris while playing a significant role in non-verbal communication.
She raised one eyebrow in surprise.
The makeup artist used a dark pencil to define the shape of the model's eyebrow.
Subtle movements of the eyebrow can convey a wide range of human emotions, from skepticism and confusion to intense concentration or sudden recognition.
From Middle English eȝebreu, alteration of Old English ēaganbrū (“eyebrow”), equivalent to eye + brow. The corresponding Old English ēagbrǣw meant "eyelid". Compare Dutch oogbrauw (“eyelid; eyelash; eyebrow”), German Augenbraue (“eyebrow”).
Commonly used in the plural when referring to the facial feature generally.