Definition of "Plant" :
noun: (botany) a living organism lacking the power of locomotion
noun: buildings for carrying on industrial labor
"They built a large plant to manufacture automobiles."
noun: something planted secretly for discovery by another
"The police used a plant to trick the thieves."
noun: an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience
verb: put firmly in the mind
"Plant a thought in the students' minds."
verb: place something or someone in a certain position in order to secretly observe or deceive
"Plant a spy in Moscow."
verb: fix or set securely or deeply
"He planted a knee in the back of his opponent."
verb: put or set (seeds, seedlings, or plants) into the ground
"Let's plant flowers in the garden."
verb: set up or lay the groundwork for
verb: place into a river
"Plant fish."