spine /spaɪn/ BrE AmE noun
[ Date: 1300-1400 ; Language: Latin ; Origin: spina ]
1 . [countable] the row of bones down the centre of your back that supports your body and protects your ↑ spinal cord SYN backbone ⇨ spinal
2 . [countable] a stiff sharp point on an animal or plant ⇨ spiny :
cactus spines
3 . [countable] the part of a book that the pages are fastened onto
4 . [uncountable] courage or determination