noun

• (botany) An organism that is not an animal, especially an organism capable of photosynthesis. Typically a small or herbaceous organism of this kind, rather than a tree.
  "The garden had a couple of trees, and a cluster of colourful plants around the border."
• (botany) An organism of the kingdom Plantae. Now specifically, a living organism of the Embryophyta (land plants) or of the Chlorophyta (green algae), a eukaryote that includes double-membraned chloroplasts in its cells containing chlorophyll a and b, or any organism closely related to such an organism.
• (ecology) Now specifically, a multicellular eukaryote that includes chloroplasts in its cells, which have a cell wall.
• (proscribed as biologically inaccurate) Any creature that grows on soil or similar surfaces, including plants and fungi.
  "Some plants, such as mushrooms found in the wild, are difficult to identify. Some plants are poisonous, and an inexperienced individual may make mistakes in identification of wild plants, with tragic results."

verb

• (ambitransitive) To place (a seed or plant) in soil or other substrate in order that it may live and grow.
• (transitive) To furnish or supply with plants.
  "to plant a garden, an orchard, or a forest"
• (transitive) To place (an object, or sometimes a person), often with the implication of intending deceit.
  "That gun’s not mine! It was planted there by the real murderer!"
• (transitive) To place or set something firmly or with conviction.
  "to plant cannon against a fort; to plant a flag; to plant one’s feet on solid ground"