The series of vertebrae forming the axis of the skeleton and protecting the spinal cord.
Dutch: ruggegraat, ruggengraat, ruggestreng, wervelkolom
Polish: kręgosłup, stos pacierzowy
Any sharply pointed projection.
A small sharp-pointed tip resembling a spike on a stem or leaf.
Dutch: aartjes, doorn, doren, dorentje, prikkel, stekel
The part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved:
— The title and author were printed on the spine of the book.
Polish: grzbiet książki
A sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin.
Dutch: doorn, rug, ruggengraat, stekel
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