from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Botany Having a spine or spines.
- adj. Botany Terminating in a spine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having a spine or spines.
- adj. Terminating in a spine.
from the GNU version of the Collaborative International Dictionary of English
- adj. Becoming hard and thorny; tapering gradually to a rigid, leafless point; armed with spines.
from The Century Dictionary and Cyclopedia
- In botany, tending to be hard and thorn-like; terminating in a spine or sharp point; armed with spines or thorns; spinose.
- In zoology, somewhat spinous or spiny, as the fur of an animal; very coarse, harsh, or stiff, as hair; spinulous.
Late Latin spīnēscēns, spīnēscent-, present participle of spīnēscere, to become thorny, from Latin spīna, thorn.(American Heritage® Dictionary of the English Language, Fourth Edition)