Definition of plant:
buildings for carrying on industrial labor; "they built a large plant to manufacture automobiles"
(botany) a living organism lacking the power of locomotion
an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience
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"
put or set (seeds, seedlings, or plants) into the ground; "Let's plant flowers in the garden"
fix or set securely or deeply; "He planted a knee in the back of his opponent"; "The dentist implanted a tooth in the gum"
set up or lay the groundwork for; "establish a new department"
place into a river; "plant fish"
place something or someone in a certain position in order to secretly observe or deceive; "Plant a spy in Moscow"; "plant bugs in the dissident's apartment"
put firmly in the mind; "Plant a thought in the students' minds"