noun
- an undercurrent in water
Usage: nautical
verb
- to support or prop up from below
Usage: technical
Examples
- The swimmer was caught in a dangerous underset near the rocky shore.
- Strong undersets made navigation difficult for the small boats.
- The engineers had to underset the foundation with steel beams.
- Workers will underset the sagging floor with additional supports.
- The bridge was underset with concrete pillars for extra stability.