keyway

(-wā′)

noun

  1. a groove or slot cut in a shaft, hub, etc. to hold the key
  2. the keyhole in a lock for a flat key

See keyway in American Heritage Dictionary 4

noun
  1. A slot for a key in the hub or shaft of a wheel.
  2. The keyhole of a cylinder lock.

Learn more about keyway

link/cite print suggestion box