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Noun: thorn  thorn
  1. Something that causes irritation and annoyance
    "he's a thorn in my flesh";
    - irritant
  2. A small sharp-pointed tip resembling a spike on a stem or leaf
    - spine, prickle, pricker, sticker, spikelet
  3. A Germanic character of runic origin

Derived forms: thorns

Type of: aculeus, annoyance, bother, botheration [informal], infliction, irritation, nuisance, pain, pain in the neck [informal], rune, runic letter

Encyclopedia: Thorn, Netherlands