scaphoid

/ˈskæfɔɪd/
adjective
  1. Shaped like a boat; boat-shaped.
    • In anatomy class, we learned that the scaphoid bone is named for its boat-like form.
    • The fossil had a scaphoid curve that reminded scientists of an ancient canoe.
    • The scaphoid shape of the seed helps it float on water.
noun
  1. A small boat-shaped bone in the wrist, near the thumb.
    • He fractured his scaphoid when he fell on his outstretched hand.
    • Doctors use an X-ray to check if the scaphoid is injured after a wrist injury.
    • The scaphoid is one of the most commonly broken bones in the wrist.