from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Shaped like a thorn or spine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having the shape of a spine or thorn
from the GNU version of the Collaborative International Dictionary of English
- adj. shaped like a spine or thorn.
from The Century Dictionary and Cyclopedia
- Spiny; spinous.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. shaped like a spine or thorn
acanth (“thorn”) + -oid (“resembling”) (Wiktionary)