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spine noun

  /spaɪn/
  • The narrow, bound edge of a book that encloses the inner edges of the pages, facing outwards when the book is on a shelf and typically bearing the title and the author's and publisher's name.
 ράχη
  • Something resembling a backbone, such as a ridge, or a long, central structure from which other structures radiate.
 σπονδυλική στήλη, ραχοκοκαλιά
  • (zootomy, botany) A pointed, fairly rigid protuberance or needlelike structure on an animal, shell, or plant.
 αγκάθι
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