Filed from 6 published puzzles

SLUICE

Set to 3 different clues across 6 published puzzles, most often “Floodgate” — The New York Times, Sunday, 18 June 2000.

6 letters

Every clue on record, most used first

Floodgate4 times
The New York Times — Sunday, 18 June 2000
Water channelonce
The New York Times — Wednesday, 10 January 2001
Artificial channelonce
The New York Times — Saturday, 19 October 1996

Other answers to these clues

FLUME5 letters