crown of thorns

noun6

1. •
   The crown made of a thorny plant that Christ was forced to wear before his Crucifixion, in mocking reference to his alleged status as ‘king of the Jews’, or a representation of this.
2. •
   A spiny Mediterranean tree, Ziziphus spina-christi.
3. •
   A spiny spurge, Euphorbia milii, native to Madagascar.
4. •
   The plant Koeberlinia spinosa.
5. •
   Ellipsis of crown-of-thorns starfish
6. •
   A woodworking technique, used in tramp art, in which interlocking pieces are notched to intersect at right angles and form joints and self-supporting objects.