Pectoral Definition
 pĕktər-əl 
  pectorals
  
    adjective
  
 Of or located in or on the chest or breast.
 Webster's New World 
Useful in relieving disorders of the chest or respiratory tract.
 American Heritage Medicine 
Worn on the chest or breast.
 A bishop's pectoral cross.
 Webster's New World 
Influenced by or resulting from personal feelings; subjective.
 Webster's New World 
(zoology) Having the breast conspicuously colored; as, the pectoral sandpiper.
Wiktionary 
Synonyms: 
  
    noun
  
 
    pectorals
  
Any of four muscles that occur in pairs on each side of the chest.
 American Heritage Medicine 
A pectoral fin or muscle.
 Webster's New World 
Something worn on the breast, as an ornamental plate.
 Webster's New World 
A medicine for relieving disorders of the chest or respiratory tract.
 American Heritage Medicine 
Synonyms: 
  - pectoral muscle
 - pecs
 - musculus pectoralis
 - pectoralis
 - pectoral medallion
 
Other Word Forms of Pectoral
Noun
Singular:
 pectoralPlural:
 pectoralsOrigin of Pectoral
Probably Latin pectorālis from pectus pector- breast N., sense 4, Middle English from Old French from Latin pectorāle breastplate from neuter of pectorālis
From American Heritage Dictionary of the English Language, 5th Edition
-  
From Latin pectorālis.
From Wiktionary
 
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