WordNet: spine

a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin

• hypernym appendage, outgrowth, process

• hyponym ray

• hyponym quill

spine

• (englanti) spinous (derivationally related)

• (englanti) spinal (derivationally related)
• (suomi) piikki (synonyymi)

• (suomi) oka (synonyymi)