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pectoral Line breaks: pec|toral
Pronunciation: /ˈpɛkt(ə)r(ə)l/

Definition of pectoral in English:


1Relating to the breast or chest: pectoral development
More example sentences
  • It involves removing the breast and the lymph nodes but leaving the pectoral chest muscles intact.
  • Cyprinodon diabolis has 17 pectoral rays, 12 dorsal rays and 28 caudal rays.
  • There are 11 dorsal spines and 17 pectoral rays that help to distinguish it from the closely related Amphiprion percula.
1.1Worn on the chest: a pectoral shield


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1 (usually pectorals) A pectoral muscle: an exercise that will help to develop the pectorals is the bench press
More example sentences
  • The combined training group also completed 4 strengthening exercises targeting the pectorals, latissimus dorsi, gluteals, and quadriceps for 45 minutes.
  • The fact that they are middle-aged men - the lines on their faces as chiseled as their biceps, triceps and pectorals - adds to the curiosity the images elicit.
  • Your cardiovascular system is composed of your heart, arteries etc, whilst your muscular system is made up of your biceps, pectorals, deltoids etc.
1.1A pectoral fin.
Example sentences
  • Namazu stood on his three prominent fins, the two pectorals and his caudal flippers.
  • All of the fins, except the pectorals, were small and placed posteriorly.
2An ornamental breastplate.
Example sentences
  • The pectoral is part of an exhibition which opened on March 30.
  • This wonderful piece, the pectoral, which is enough to cover a fairly large adult chest is so gorgeous it actually makes you want to cry.


Late Middle English (in the sense 'breastplate'): from Latin pectorale 'breastplate', pectoralis 'of the breast', from pectus, pector- 'breast, chest'.

Words that rhyme with pectoral

electoral, prefectoral, protectoral

Definition of pectoral in:

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