scaphoid
/'skæfɔid/
Học thuậtThân thiện
Definition
- Adjective:
- Shaped like a boat; boat-shaped: Having a hollowed, elongated, and curved form that resembles the hull of a small boat or a canoe.
Examples of Usage
- Adjective:
- The scaphoid bone in the wrist is named for its distinctive boat-like shape.
- The fossil exhibited a scaphoid depression, characteristic of certain ancient seed pods.
Advanced Usage
- Anatomical Context: The term is most frequently used in anatomy to describe specific bones, most notably the scaphoid bone (or navicular bone) in the wrist and a bone in the foot.
- A fracture of the scaphoid is a common wrist injury.
- Botanical and Zoological Context: Used less commonly in botany and zoology to describe boat-shaped structures.
- The scaphoid abdomen is a medical term describing a sunken, boat-shaped belly.
Variants and Related Words
- Scaphoid Bone (Noun): A specific carpal bone in the wrist. This is a compound term where "scaphoid" functions as an adjective modifying "bone."
- Navicular (Adjective/Noun): A synonym often used interchangeably with "scaphoid," especially in anatomical terminology (e.g., navicular bone).
Synonyms
- Boat-shaped
- Navicular (primarily in anatomical contexts)
- Cymbiform (a more technical synonym meaning boat-shaped)
Notes on Meaning
- The primary and almost exclusive meaning of "scaphoid" is its descriptive, adjectival sense of "boat-shaped." Its use as a standalone noun (e.g., "the scaphoid") is an elliptical form that implicitly refers to a well-known anatomical structure, such as the scaphoid bone. In strict terms, it is an adjective.
Adjective
- shaped like a boat