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  1. Dictionary

    sec·tion
    [ˈsɛkʃ(ə)n]
    noun
    section (noun) · sections (plural noun)
    1. any of the more or less distinct parts into which something is or may be divided or from which it is made up:
      "I unscrewed every section of copper pipe, from the roof tank to the hot-water cylinder"
    2. a distinct group within a larger body of people or things:
      "the non-parliamentary section of the party"
      • a group of players of a family of instruments within an orchestra:
        "the brass section"
      • a specified military unit:
        "a GHQ Signals Section"
      • a subdivision of an army platoon.
      • biology
        a secondary taxonomic category, especially a subgenus.
    3. the cutting of a solid by or along a plane.
      • the shape resulting from cutting a solid along a plane:
        "nails of round section"
      • a representation of the internal structure of something as if it has been cut through vertically or horizontally:
        "a section of face, showing the position of the organs of speech"
      • surgery
        a separation by cutting.
      • biology
        a thin slice of plant or animal tissue prepared for microscopic examination.
    verb
    section (verb) · sections (third person present) · sectioned (past tense) · sectioned (past participle) · sectioning (present participle)
    1. divide into sections:
      "she began to section the grapefruit"
      • (section something off)
        separate an area from a larger one:
        "parts of the curved balcony had been sectioned off with wrought-iron grilles"
      • biology
        cut (animal or plant tissue) into thin slices for microscopic examination:
        "the specimens were embedded and serially sectioned"
      • surgery
        divide by cutting:
        "it is common veterinary practice to section the nerves to the hoof of a limping horse"
    2. BRITISH
      commit (someone) compulsorily to a psychiatric hospital in accordance with a section of a mental health act:
      "should she be sectioned and forced back into hospital?"
    Origin
    late Middle English (as a noun): from French section or Latin sectio(n-), from secare ‘to cut’. The verb dates from the early 19th century.
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  3. WEB1 day ago · 1. a part that is cut off or separated. 2. a distinct part or subdivision of anything, as an object, country, community, class, or the like. the poor section of town. the left section of a drawer. 3. a distinct part or …