Definitions

from The Century Dictionary.

  • noun In anatomy, a muscle the action of which contracts into wrinkles the part it acts upon: as, the corrugator supercilii, one of a pair of small muscles situated on each side of the forehead, which contract or knit the brows.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) A muscle which contracts the skin of the forehead into wrinkles.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A machine that corrugates material.
  • noun anatomy The corrugator supercilii, a narrow pyramidal muscle at the medial end of the eyebrow.
  • noun anatomy The corrugator cutis ani, a thin stratum of involuntary muscular fibre that radiates from the anal orifice.

Etymologies

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Examples

  • For this reason, Charles Darwin called the corrugator the muscle which controls this movement “the muscle of difficulty.”

    How to Speak Dog Stanley Coren 2000

  • Dr. Duchenne has called the corrugator the muscle of reflection; 2 but this name, without some limitation, cannot be considered as quite correct.

    The expression of the emotions in man and animals 1898

  • In contrast, Havas was studying people after a pinpoint treatment to paralyze a single pair of "corrugator" muscles, which cause brow-wrinkling frowns.

    Newswise: Latest News 2010

  • In contrast, Havas was studying people after a pinpoint treatment to paralyze a single pair of "corrugator" muscles, which cause brow-wrinkling frowns.

    Newswise: Latest News 2010

  • In contrast, Havas was studying people after a pinpoint treatment to paralyze a single pair of "corrugator" muscles, which cause brow-wrinkling frowns.

    PhysOrg.com - latest science and technology news stories 2010

  • They analysed people after a pinpoint treatment to paralyze a single pair of "corrugator" muscles, which cause brow-wrinkling frowns.

    Medindia Health News 2010

  • Building on that research, graduate student David Havas of the University of Wisconsin-Madison decided to study people who had received Botox treatments that paralyzed one pair of their corrugator muscles, which cause the forehead to constrict into a frown.

    Hello Botox, Bye-Bye Sadness—But Not for the Reasons You Think 2010

  • But today, smoothing the brow by paralyzing the corrugator supercilii muscles is the work of minutes -- or so reasoned Eric Finzi, a dermatologist in Chevy Chase, Maryland.

    International Periscope 2007

  • The corrugator muscle between his eyebrows contracts into three deep wrinkles.

    Diary Palahniuk, Chuck 2003

  • The summer people look up, their corrugator muscles contracted, their eyebrows pulled together.

    Diary Palahniuk, Chuck 2003

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