• Webster's Revised Unabridged Dictionary
    • n Nilometer An instrument for measuring the rise of water in the Nile during its periodical flood.
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Century Dictionary and Cyclopedia
    • n nilometer A gage or measure of depth or height of the flow of the river Nile. A flood-gage of this nature is mentioned by Herodotus; and ancient records of inundations have reference to the old Nilometer on the western bank at Memphis, Modern records are officially tabulated from the Nilometer on the island of Er-Rodah, near Cairo, which consists of a pit or well in communication with the Nile, in the middle of which stands a marble column inscribed with height-indications in cubits. The rise of the water at Cairo during a favorable inundation is about 25 feet.
    • n nilometer Hence, any instrument for making a continuous and automatic register of riverheights.
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Chambers's Twentieth Century Dictionary
    • n Nilometer nī-lom′e-tėr a gauge for measuring the height of water in the river Nile: any river-gauge—also Nī′loscope
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Webster's Revised Unabridged Dictionary
Gr. ; Nei^los the Nile + measure: cf. F. nilomètre,


In literature:

The most important event in Egypt during the reign of Mutawakkil was the falling in of the Nilometer at Fostat.
"History Of Egypt From 330 B.C. To The Present Time, Volume 11 (of 12)" by S. Rappoport
Such a column was called a Nilometer.
"Xerxes" by Jacob Abbott
Not far from the spot mentioned above is the famous Nilometer that Moses looked upon many a time.
"Birdseye Views of Far Lands" by James T. Nichols
This Nilometer is an ancient octagon pillar of red stone in the island of Rhoda, on the sides of which graduated scales are engraved.
"Visits To Monasteries in the Levant" by Robert Curzon
From Old Cairo we crossed over to the Island of Roda, to see the Nilometer.
"What We Saw in Egypt" by Anonymous
This is the isle of Rodda, on the bank of which Moses was found, and where you may see the Nilometer.
"The Rulers of the Mediterranean" by Richard Harding Davis