noun, often capitalized
ni·​lom·​e·​ter | \nīˈlämətə(r)\

Definition of nilometer 

: a gauge for measuring the height of water in the Nile especially during its flood specifically : a graduated scale cut on a natural rock or in the stone wall of a pit communicating with the river

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Other Words from nilometer

nilometric \¦nīlə¦me‧trik \ adjective, often capitalized

History and Etymology for nilometer

modification (influenced by English -meter) of New Latin nilometrion, from Greek neilometrion, from Neilos Nile, river in Africa + -metrion (from metron measure)

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a knickknack or trinket

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