Definition

Noun: 1. A forked bone formed by the fusion of the clavicles of most birds: The furcula is a V-shaped bone located between the neck and breast of a bird. It is commonly known as the "wishbone" and is formed by the fusion of the two clavicles (collarbones).

Usage

The word furcula is a specialized zoological and anatomical term. It is used primarily in scientific, ornithological, and biological contexts to describe a specific skeletal structure. - It functions as a singular noun. The standard plural form is furculae.

Examples

• Noun:
  • The paleontologist identified the fossilized fragment as part of a bird's furcula.
  • In many bird species, the furcula acts as a spring to assist with flight.
  • The strength and flexibility of the furcula are important for a bird's wing movement.

Advanced Usage

• Evolutionary Biology: The furcula is a key skeletal feature linking birds to theropod dinosaurs, as similar structures have been found in fossils of species like .
• Biomechanics: The furcula stores and releases elastic energy during the wingbeat cycle, improving flight efficiency.

Variants and Related Words

• Wishbone (n): The common, non-scientific name for the furcula, especially when referring to the tradition of two people pulling it apart to make a wish.
• Clavicle (n): The collarbone in humans and other animals. The furcula is formed from the fusion of two clavicles.
• Furcular (adj): Relating to the furcula (e.g., ).

Synonyms

• Wishbone: The common synonym.
• Merrythought (n, chiefly British, archaic): An older term for the wishbone.

Notes on Different Meanings

The term furcula has a single, specific meaning in modern English. It does not have general or idiomatic uses outside its anatomical definition.

Noun

1. a forked bone formed by the fusion of the clavicles of most birds