Manhole (noun)

A large circular opening in the ground, usually covered by a metal or concrete lid, which provides access to a sewer, drain or underground utility.

Origin:

Manhole: a compound word formed from 'man' + 'hole'.

Examples:

1. The manhole cover was heavy, but the workers managed to remove it.
2. The city was installing fiber optic cable through the manholes.
3. A foul smell was coming from the manhole, indicating a blockage in the sewer.
4. The manhole was marked with a sign warning people to stay away.
5. The workers used a ladder to descend into the manhole to make repairs.