Exact Match:
- manhole
- a hole (usually with a flush cover) through which a person can gain access to an underground structure
Synonyms:
- 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,
- venthole