from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having three ribs or nerves extending unbranched from the base to the apex.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having three ribs or nerves extending unbranched from the base to the apex; -- said of a leaf.
from The Century Dictionary and Cyclopedia
- In botany, three-nerved; having three nerves extending from the base to the apex: as, a trinervate leaf.
- In entomology, having three nerves, nervures, or veins, as an insect's wing; trinerved.
Latin trinervatus; prefix tri- + Latin nervus nerve. (Wiktionary)