noun, plural pec·to·ral·es [pek-tuh-ral-eez, -rey-leez, -rah-] /ˌpɛk təˈræl iz, -ˈreɪ liz, -ˈrɑ-/. Anatomy.
Origin of pectoralis
Examples from the Web for pectoralis
A great, fan-shaped muscle, called the pectoralis major, lies on the chest.A Practical Physiology|Albert F. Blaisdell
A closely allied form occurs in Alaska, and has been named Dallia pectoralis, Bean.The Voyage of the Vega round Asia and Europe, Volume I and Volume II|A.E. Nordenskieold
The bolus consisted of a portion of the pectoralis major of a subject brought to the dissecting-room at the Middlesex Hospital.
The pectoralis transversus and other muscles were found to harbour a considerable number of encysted Trichin.
The clavicular portion of the pectoralis major must then be divided right across its fibres, which will retract.A Manual of the Operations of Surgery|Joseph Bell