Manhole

['mænhəʊl] or ['mænhol]

Definition

(noun.) a hole (usually with a flush cover) through which a person can gain access to an underground structure.

Checked by Abram--From WordNet

Definition

(n.) A hole through which a man may descend or creep into a drain, sewer, steam boiler, parts of machinery, etc., for cleaning or repairing.

Edited by Johanna

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