1a) of water in rivers, in fountains, in pools
1b) of the water of the deluge
1c) of water in any of the earth's repositories
1d) of water as the primary element, out of and through which the world that was before the deluge, arose and was compacted
1e) of the waves of the sea
1f) fig. used of many peoples
Part of Speech: noun neuter
Citing in TDNT: 8:314, 1203
From the base of G5205; water (as if rainy) literally or figuratively: - water.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ὕδωρ; click on the second column to search for that grammatical form of the root ὕδωρ; click on the third column to search for that word and grammatical form; click on the total to search for the root ὕδωρ.