Pronunciation: (wô'tur-wûrks", wot'ur-),[key] —n., —pl.-works. 1. (used with a sing. or pl. v.) a complete system of reservoirs, pipelines, conduits, etc., by which water is collected, purified, stored, and pumped to urban users.
2. (used with a sing. v.) a pumping station or a purifying station of such a system.
3. (usually used with a pl. v.) Sometimes, waterwork. a spectacular display of water, mechanically produced, as for a pageant.
4. (used with a sing. or pl. v.)Slang.tears, or the source of tears: to turn on the waterworks. 5. Slang.the kidneys.