jaw-bone

The archaeologist carefully brushes dirt from an ancient jaw-bone.

Definition

1. Noun:
   • A bone of the jaw: "jaw-bone" refers to any of the bones that form the framework of the mouth, typically the mandible (lower jaw) or the maxilla (upper jaw). It is a specific anatomical term used to describe the skeletal structure supporting the teeth and facilitating chewing and speech.

Usage Examples

• Noun:
  • The dentist examined the patient's jaw-bone for signs of infection. (The bone of the lower or upper jaw was inspected.)
  • A fracture of the jaw-bone can make eating very painful. (A break in the bone of the jaw causes difficulty with chewing.)
  • Archaeologists discovered an ancient jaw-bone with intact teeth. (A fossilized bone from the jaw was found.)

Advanced Usage

• "jaw-bone" in anatomy: In formal medical contexts, "jaw-bone" is often used interchangeably with "mandible" for the lower jaw, but it can also refer to the maxilla when specifying the upper jaw. It is a less technical term than "mandible" or "maxilla."

  • The surgeon reconstructed the jaw-bone using a metal plate. (The bone of the lower jaw was repaired surgically.)

• "jaw-bone" as a verb (rare): In informal or historical usage, "to jaw-bone" can mean to talk or argue persistently, as if using one's jaw to speak forcefully.

  • He spent hours jaw-boning about the new policy. (He talked at length and with emphasis.)

Variants and Related Words

• Jawbone (noun, alternative spelling): This is the same word, often written without a hyphen. Both "jaw-bone" and "jawbone" are correct.

  • The jawbone is one of the strongest bones in the human body. (The bone of the jaw is robust.)

• Jaw (noun): The entire structure of the mouth, including the bones, muscles, and teeth.

  • She clenched her jaw in anger. (She tightened the muscles of her mouth.)

• Bone (noun): A rigid organ that forms part of the skeleton.

  • The jaw-bone is a specific type of bone in the skull.

Synonyms

• Mandible: The lower jawbone, specifically the large bone that moves when chewing.

  • The mandible is the most prominent jaw-bone. (The lower jawbone is the main bone.)

• Maxilla: The upper jawbone, which is fixed and holds the upper teeth.

  • The maxilla is the upper jaw-bone. (The bone of the upper jaw.)

• Jaw: A general term that can refer to the entire mouth structure, including the jaw-bone.

  • His jaw was swollen after the accident. (The area around the mouth, including the bone, was swollen.)

Related Idioms

• "to have a strong jaw-bone": To have a well-defined or sturdy lower jaw, often associated with determination or attractiveness.

  • The actor has a strong jaw-bone, making him look very confident. (His lower jaw is prominent and solid.)

• "to be all jaw-bone" (rare): To be talkative or to speak boastfully, emphasizing the movement of the jaw while speaking.

  • He's all jaw-bone and no action. (He talks a lot but does little.)