[ 'sɛltzə ]
■ noun dated
1》 soda water.
2》 medicinal mineral water from Niederselters in Germany.
Origin
C18: alt. of Ger. Selterser , from (Nieder)selters (see above).
SELTZER
Meaning of SELTZER in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004