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 pole lathe 添加此单词到默认生词本
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    Pole \Pole\, n. [As. p[=a]l, L. palus, akin to pangere to make
    fast. Cf. {Pale} a stake, {Pact}.]
    1. A long, slender piece of wood; a tall, slender piece of
    timber; the stem of a small tree whose branches have been
    removed; as, specifically:
    (a) A carriage pole, a wooden bar extending from the front
    axle of a carriage between the wheel horses, by which
    the carriage is guided and held back.
    (b) A flag pole, a pole on which a flag is supported.
    (c) A Maypole. See {Maypole}.
    (d) A barber's pole, a pole painted in stripes, used as a
    sign by barbers and hairdressers.
    (e) A pole on which climbing beans, hops, or other vines,
    are trained.

    2. A measuring stick; also, a measure of length equal to 5?
    yards, or a square measure equal to 30? square yards; a
    rod; a perch. --Bacon.

    {Pole bean} (Bot.), any kind of bean which is customarily
    trained on poles, as the scarlet runner or the Lima bean.


    {Pole flounder} (Zo["o]l.), a large deep-water flounder
    ({Glyptocephalus cynoglossus}), native of the northern
    coasts of Europe and America, and much esteemed as a food
    fish; -- called also {craig flounder}, and {pole fluke}.


    {Pole lathe}, a simple form of lathe, or a substitute for a
    lathe, in which the work is turned by means of a cord
    passing around it, one end being fastened to the treadle,
    and the other to an elastic pole above.

    {Pole mast} (Naut.), a mast formed from a single piece or
    from a single tree.

    {Pole of a lens} (Opt.), the point where the principal axis
    meets the surface.

    {Pole plate} (Arch.), a horizontal timber resting on the
    tiebeams of a roof and receiving the ends of the rafters.
    It differs from the plate in not resting on the wall.

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