WordReference Random House Unabridged Dictionary of American English © 2025
tri•nod•al
(trī nōd′l),USA pronunciation adj. [Bot.]
- Botanyhaving three nodes or joints.
- Latin trinōd(is) having three knots (tri- tri- + nōd(us) node + -is adjective, adjectival suffix) + -al1
- 1650–60