What is the meaning of stalk?

noun

• Material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds.
  • synonyms: chaff, husk, shuck, straw, stubble
• A slender or elongated structure that supports a plant or fungus or a plant part or plant organ.
  • synonyms: stem
• A hunt for game carried on by following it stealthily or waiting in ambush.
  • synonyms: stalking, still hunt
• The act of following prey stealthily.
  • synonyms: stalking
• A stiff or threatening gait.
  • synonyms: angry walk

verb

• Walk stiffly.
• Follow stealthily or recur constantly and spontaneously to.
  • usage: "her ex-boyfriend stalked her"; "the ghost of her mother haunted her"
  • synonyms: haunt
• Go through (an area) in search of prey.
  • usage: "stalk the woods for deer"