keelnoun詞源 1/kiːl/

• 1

  nauticaltransportA large beam along the underside of a ship’s hull from bow to stern.

  • I hear the noise about thy keel; ⁠I hear the bell struck in the night: ⁠I see the cabin-window bright; I see the sailor at the wheel.
• 2

  nauticaltransportA rigid, flat piece of material anchored to the lowest part of the hull of a ship to give it greater control and stability.

• 3

  aeronauticsaerospacebusinessIn a dirigible, a construction similar in form and use to a ship's keel; in an aeroplane, a fin or fixed surface employed to increase stability and to hold the machine to its course.

• 4

  The rigid bottom part of something else, especially an iceberg.

  • The most important ice features are the frequency and extent of downward projections (bummocks and ice keels) from the underside of the ice canopy (pack ice and enclosed water areas from the point of view of the submariner)[…]
  • Bill Roggensack, EBA Engineering Ltd.: So at the end of this particular simulation, presumably the keel of the iceberg is in contact with the seabed? / Chris Woodworth-Lynas: It is just in contact with the seabed.
• 5

  nauticaltransportA type of flat-bottomed boat.

  • The ladies remained at the house, while the men walked to the staith on the [River] Wear, and were shown the process of unloading the wagons into the keels by means of the coal-drop.
• 6

  biologynatural-scienceszoologyThe periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge.

  • Metanotum shining, indistinctly punctured at the base in the centre, the sides closely punctured; the areola large, obliquely narrowed at the base, its apex open, there are 2 lateral areas, both widely open at the base on the outerside; the posterior median area bears about 10 stout, transverse keels; on its apical outerside is a triangular area; the spiracular is bounded on the outerside by a distinct keel.
• 7

  biologybotanynatural-sciencesThe two lowest petals of the corolla of a papilionaceous flower, united and enclosing the stamens and pistil; a carina.

  • Vegetatively it is the nearest to H. translucens with its oblong-lanceolate leaves, with the margins and keel beset with pellucid teeth, but it differs and is characterised by the greyish-black quadrantly positioned globose flowers; […]
• 8

  biologynatural-sciencesornithologyThe extension of a bird's sternum to which pectoral muscles attach.

keelverb詞源 1/kiːl/

• 1

  To collapse, to fall.

  • He keeled over after having a stroke.
• 2

  To traverse with a keel; to navigate.

• 3

  To turn up the keel; to show the bottom.

keelverb詞源 2

• 1

  obsoleteTo cool; make cool; to cool by stirring or skimming in order to keep from boiling over.

  • A merrie note, / While greaſie Ione doth keele the pot.
• 2

  obsoleteTo moderate the ardour or intensity of; assuage; to appease, pacify, or lessen.

• 3

  obsoleteTo become cool; cool down.

keelnoun詞源 2

• 1

  beveragesbrewingbusinessA broad, flat vessel used for cooling liquids; a brewer's cooling vat; a keelfat.

keelnoun詞源 3

• 1

  Red chalk; ruddle.

keelverb詞源 3

• 1

  To mark with ruddle.

這個拼法也被記錄為下列字的變化形：

• kill