Definition

1. Noun:
   • Either of two large muscles of the chest: A "pectoral muscle" is one of the major paired muscles located in the upper front part of the torso, responsible for movements of the shoulder and arm.

Usage

• The term "pectoral muscle" is used in anatomical, medical, fitness, and general contexts to refer specifically to these chest muscles. It is often used in the plural form ("pectoral muscles").
• It functions as a countable noun.

Examples

• Noun:
  • Strength training often targets the pectoral muscle to build the chest.
  • The surgeon carefully avoided the major pectoral muscle during the procedure.
  • He felt a strain in his left pectoral muscle after lifting the heavy weight.

Advanced Usage

• "Pectoral" as an adjective: When used alone, "pectoral" can describe anything relating to the chest or breast.
  • The doctor listened to his pectoral region with a stethoscope.
• In compound anatomical terms: The full term specifies which of the two major muscles.
  • The pectoralis major is the larger, fan-shaped pectoral muscle.
  • The pectoralis minor is the smaller, triangular pectoral muscle beneath the major.

Variants and Related Words

• Pectoralis (n): The Latin-derived anatomical name for the pectoral muscles. Often used with "major" or "minor".
  • The pectoralis major is a powerful adductor of the arm.
• Pecs (n, informal): A common slang term for the pectoral muscles.
  • He works out to define his pecs.
• Chest muscle (n): A general, non-technical synonym.

Synonyms

• Chest muscle: A general descriptive synonym.
• Pectoralis: The formal anatomical term.

Related Phrases

• To work one's pectorals: To exercise the chest muscles.
  • This exercise is excellent for working your pectorals.
• Pectoral girdle: The anatomical structure (shoulder girdle) to which the pectoral muscles attach.
  • The pectoral muscles connect the arm to the pectoral girdle.

Noun

1. either of two large muscles of the chest