Meaning & use
Lamphole
Last updated
A small vertical shaft or opening, used chiefly in sewers or tunnels, through which a lamp or light could be lowered for inspection or ventilation.
See it in a sentence
Inspectors lowered a lamp through the lamphole to check the sewer line for blockages before modern cameras were available.
The old lamphole was sealed over once electric lighting made manual inspection unnecessary.
A note on using this word
Lampholes were common in 19th-century sewer systems, predating the electric lighting and camera equipment used for inspections today.
Words with a similar meaning
inspection shaft
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