pour vs sluice down

pour and sluice down both are verbs.

Word	Noun	Adjective	Verb	Adverb
pour	No	No	Yes	No
sluice down	No	No	Yes	No

As verbs, sluice down is a hyponym of pour; that is, sluice down is a word with a more specific, narrower meaning than pour:

Other hyponyms of pour include sheet, sluice.

pour (verb)	sluice down (verb)
move in large numbers	pour as if from a sluice
flow in a spurt
cause to run
pour out gradually, so as to separate out sediment
supply in large amounts or quantities
rain heavily