Manhole
[n] a hole (usually with a flush cover) through which a person can gain access to an underground structure
Related Information
Related Terms
air hole, armhole, blowhole, bullet-hole, bunghole, cringle, deadeye, eye, eyelet, gasket, grommet, guide, keyhole, knothole, loop, loophole, mousehole, peephole, pigeonhole, pinhole, placket, placket hole, porthole, punch-hole, spiracle, tap, vent, venth