WordReference Random House Unabridged Dictionary of American English © 2025
hy•da•thode
(hī′də thōd′),USA pronunciation n. [Bot.]
- Plant Biologya specialized leaf structure through which water is exuded.
- Greek hydat-, stem of hýdōr water + hodós way, path; compare -ode2, cathode
- German Hydathode (1894)