Wordnet 3.0
NOUN (1)
1.
sparkling mineral water from springs at Vichy, France or water similar to it;
The Collaborative International Dictionary of English v.0.48:
Vichy water \Vi"chy wa`ter\, prop. n.
A mineral water found at Vichy, France. It is essentially an
effervescent aqueous solution of sodium, calcium, and
magnesium carbonates, with sodium and potassium chlorides;
also, by extension, any artificial or natural water
resembling in composition the Vichy water proper. Called
also, colloquially, Vichy.
[1913 Webster]
WordNet (r) 3.0 (2006):
Vichy water
n 1: sparkling mineral water from springs at Vichy, France or
water similar to it