plant[Anglais]

nom
1 : something planted secretly for discovery by another; "the police used a plant to trick the thieves"; "he claimed that the evidence against him was a plant"
2 : buildings for carrying on industrial labor; "they built a large plant to manufacture automobiles"
verbe
1 : place something or someone in a certain position in order to secretly observe or deceive
2 : fix or set securely or deeply