disk engine

1 definition found

disk engine - Collaborative International Dictionary of English v.0.48 :

  Disk \Disk\ (d[i^]sk), n. [L. discus, Gr. di`skos. See Dish.]
     [Written also disc.]
     1. A discus; a quoit.
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              Some whirl the disk, and some the javelin dart.
                                                    --Pope.
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     2. A flat, circular plate; as, a disk of metal or paper.
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     3. (Astron.) The circular figure of a celestial body, as seen
        projected of the heavens.
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     4. (Biol.) A circular structure either in plants or animals;
        as, a blood disk; germinal disk, etc.
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     5. (Bot.)
        (a) The whole surface of a leaf.
        (b) The central part of a radiate compound flower, as in
            sunflower.
        (c) A part of the receptacle enlarged or expanded under,
            or around, or even on top of, the pistil.
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     6. (Zool.)
        (a) The anterior surface or oral area of c[oe]lenterate
            animals, as of sea anemones.
        (b) The lower side of the body of some invertebrates,
            especially when used for locomotion, when it is often
            called a creeping disk.
        (c) In owls, the space around the eyes.
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     Disk engine, a form of rotary steam engine.
  
     Disk shell (Zool.), any species of Discina.
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