Definition

1. Proper noun:
   • A branch of the United States Armed Forces: The United States Marine Corps (USMC) is a distinct military service within the Department of the Navy, specializing in expeditionary and amphibious warfare. It is known for its rapid deployment capabilities.

Usage

• The term "US Marine Corps" is used as a singular proper noun to refer to the organization as a whole.
• It is often preceded by the definite article "the" (e.g., ).
• Example:

Advanced Usage

• "The Corps": A common, informal reference to the US Marine Corps.
  • He is a proud member of the Corps.
• Used attributively (as a noun modifier) to describe things related to this branch.
  • US Marine Corps history, US Marine Corps training, a US Marine Corps base.

Variants and Related Words

• Marine (noun): A member of the US Marine Corps.
  • The Marines landed on the beach.
• USMC: A standard initialism for United States Marine Corps.
• United States Marine Corps: The full, formal name.

Synonyms

• The Marines: A common synonymous term for the US Marine Corps collectively.
• The Marine Corps: A shortened form, often used when the national context is clear.

Related Phrases

• "Tell it to the Marines!": An idiom expressing skepticism or disbelief, historically stemming from the perception that Marines were gullible. (Note: This is an archaic idiom and is rarely used in modern, respectful contexts regarding the USMC.)
• "Once a Marine, always a Marine": A phrase expressing the enduring identity and camaraderie of those who have served in the Corps.

Noun

1. an amphibious division of the United States Navy