Definitions

1. verb

to see or inspect something from underneath or below the surface; to examine or investigate something carefully

“The engineer had to undersee the foundation of the building to ensure it was stable.”

2. verb

to see or look at something from underneath or below the surface, often in a figurative sense

“The detective had to undersee the evidence carefully to piece together the events of the crime.”

3. noun

the act of inspecting or examining something from underneath or below the surface

“The undersee of the pipeline revealed some hidden defects that needed to be addressed.”