from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A pair of muscles that lowers the wings of birds in flight

from The Century Dictionary and Cyclopedia

  • n. One of the pectora] muscles, or muscles of the breast, passing from the thorax to the scapular arch or its appendage.
  • n. In ichthyology, a pectoral fin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. either of two large muscles of the chest


Sorry, no etymologies found.


  • In Germany, Halsted had seen Volkmann remove not just the breast, but a thin, fanlike muscle spread out immediately under the breast called the pectoralis minor, in the hopes of cleaning out the minor fragments of leftover cancer.

    The Emperor of All Maladies

  • A great, fan-shaped muscle, called the pectoralis major, lies on the chest.

    A Practical Physiology

  • It can recur on the chest wall, which is called the pectoralis muscle.

  • Instead of stripping away the thin pectoralis minor, which had little function, Halsted decided to dig even deeper into the breast cavity, cutting through the pectoralis major, the large, prominent muscle responsible for moving the shoulder and the hand.

    The Emperor of All Maladies

  • With the pectoralis major cut off, the shoulders caved inward as if in a perpetual shrug, making it impossible to move the arm forward or sideways.

    The Emperor of All Maladies

  • But Halsted, evidently scornful of “mistaken kindness,” did not stop his surgery at the pectoralis major.

    The Emperor of All Maladies

  • Birds found here and in only few other places include white-bellied seedeaters Sporophila leucoptera, grassland yellow-finches Sicalis luteola, chalk-browed mockingbirds Mimus saturninus, tropical peewees Contopus cinereus, rufous-throated antbirds Gymnopithys rufigula, black-breasted puffbirds Notharchus pectoralis, and plain-bellied emeralds Amazilia leucogaster.

    Marajó varzea

  • Regardless of the strength gained on the resistance machines by your pectoralis major, when it comes to resisting the ultimate force—death—muscle failure must set in.


  • And fans of shirtless men had an off day as Scott Brown's latest foray into publishing won't offer up Cosmo-style pics AND tomorrow's New York Times won't feature the well-chiseled pectoralis majors of a certain world leader.

    HUFFPOST HILL - The Travails Of Shirtless Men

  • When the biopsy confirmed that her lump was malignant breast cancer, Kushner decided that she wanted a modified radical mastectomy, rather than the standard Halstead radical mastectomy, in which the pectoralis muscles and lymph nodes are removed together with the breast.

    Rose Kushner.


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