any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.; "he sprayed the garden to get rid of pests"; "many pests have developed resistance to the common pesticides"
a persistently annoying person
any epidemic disease with a high death rate
a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal
put firmly in the mind; "Plant a thought in the students' minds"
(botany) a living organism lacking the power of locomotion
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"
buildings for carrying on industrial labor; "they built a large plant to manufacture automobiles"
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"
fix or set securely or deeply; "He planted a knee in the back of his opponent"; "The dentist implanted a tooth in the gum"
an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience
put or set (seeds, seedlings, or plants) into the ground; "Let's plant flowers in the garden"
set up or lay the groundwork for; "establish a new department"
(military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
a secret watcher; someone who secretly watches other people; "my spies tell me that you had a good time last night"
secretly collect sensitive or classified information; engage in espionage; "spy for the Russians"
watch, observe, or inquire secretly
catch sight of
catch sight of; to perceive with the eyes; "he caught sight of the king's men coming over the ridge"