"spone" is probably misspelled. Trying spine instead Definition of spine
spine has definitions from the fields of zoology,anatomy,botany
1
[ noun ] (anatomy,zoology) the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

Examples

"the fall broke his back"

2
[ noun ] any pointed projection

Synonyms

spur

3
[ noun ] (botany,zoology) a sharp-pointed tip on a stem or leaf
4
[ noun ] (zoology) a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
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