Wiktionary
vote down
vb. (context transitive idiomatic English) To defeat (some measure or candidate) by a majority vote.
WordNet
vote down
v. thwart the passage of; "kill a motion"; "he shot down the student's proposal" [syn: kill, shoot down, defeat, vote out]
vote against; "The faculty turned thumbs down on the candidate for the Dean position" [syn: turn thumbs down]
Usage examples of "vote down".
A huge, red-faced young man of inexhaustible energy, Chase refused to accept the dictum that Maryland's delegates must vote down independence.
There'd been enough names on that list to vote down the treaty and doom this whole world.
Barnett will never get to the floor, but we'll have to vote down the motion, and that will take time.