| Answer | Crossword Clue |
|---|---|
| acetabula | The socket of the hipbone, into which the head of the femur fits |
| acetabulum | The socket of the hipbone, into which the head of the femur fits |
| croze | the groove at either end of the staves of a barrel, cask, etc., into which the edge of the head fits |
| crozes | the groove at either end of the staves of a barrel, cask, etc., into which the edge of the head fits |
| zygosphene | a median process on the front part of the neural arch of the vertebrae of most snakes and some lizards, which fits into a fossa, called the zygantrum, on the back part of the arch in front |
| zygosphenes | ZYGOSPHENE, a median process on the front part of the neural arch of the vertebrae of most snakes and some lizards, which fits into a fossa, called the zygantrum, on the back part of the arch in front |
