expression, godan verb (-ru)
poison (food/drink); administer poison
Used when someone deliberately puts poison into food or drink, often with malicious intent. The expression implies a covert act.
See also: 一服を盛る
犯人は被害者の飲み物に毒を盛った。
The culprit poisoned the victim's drink.
彼はライバルを殺すために食事に毒を盛ろうとした。
He tried to poison his rival's meal to kill him.