Definition

1. Noun:
   • One of the eight small wrist bones: The semilunar bone is a specific carpal bone located in the proximal row of the wrist, between the scaphoid and triquetral bones. It is also anatomically known as the lunate bone.

Usage Examples

• Noun:
  • The X-ray revealed a fracture in his semilunar bone.
  • Arthritis can affect the semilunar bone, causing pain and stiffness in the wrist.

Advanced Usage

• Medical/Anatomical Context: The term is primarily used in technical, anatomical, or medical descriptions. In layman's terms, it is more commonly referred to as the "lunate."
  • The surgeon carefully realigned the dislocated semilunar bone.

Variants and Related Words

• Lunate bone (n): The more common anatomical term for the semilunar bone.
  • The lunate bone is named for its crescent-like shape.
• Carpal bones (n): The group of eight bones in the wrist, which includes the semilunar bone.
  • The carpal bones allow for the complex movements of the wrist.

Synonyms

• Lunate: The direct synonym in anatomical terminology.
• Os lunatum: The Latin term for the semilunar bone.

Noun

1. one of the eight small wrist bones