doorn — meaning in English

English meaning

spine noun The column of bones running down the back, from the head down to the tail or pelvis, that protects the spinal cord and holds up the chest and abdomen.
thorn noun A sharp, hard, pointed growth on a plant stem or branch.

doorn is used for these senses in English:

spine (zootomy, botany, mycology) A pointed, fairly rigid protuberance or needlelike structure on an animal, shell, mushroom or plant. The botanical term technically refers to such a structure derived from a leaf or part of a leaf.
thorn (botany) A modified branch that is hard and sharp like a spike.

noun The column of bones running down the back, from the head down to the tail or pelvis, that protects the spinal cord and holds up the chest and abdomen.
noun Bravery or a willingness to stand up for yourself.
noun A ridge or other long central structure that other parts branch out from, shaped a bit like a backbone.
noun The narrow edge of a book that holds the pages together and faces outward on a shelf, usually printed with the title and author's name.

noun A sharp, hard, pointed growth on a plant stem or branch.
noun A shrub or small tree known for bearing thorns, especially the hawthorn.
noun Something or someone that repeatedly causes irritation or trouble.
noun An old English letter (Þ, þ) once used to represent the "th" sound, still used in Icelandic today.
verb To pierce or prick with something sharp, as if with a thorn.