keel
Part of speech: noun
verb
Morphological type: simple
Topics: aeronautics
aerospace
biology
botany
business
engineering
natural-sciences
nautical
ornithology
physical-sciences
transport
zoology
Etymology: From Middle English kele, from Old Norse kjǫlr, itself from Proto-Germanic *keluz, of uncertain origin. Displaced Old English ċēol from a related root. Distantly related to kile.
Inflected forms:
form: keels
pos: noun
tags: plural
form: keels
pos: verb
tags: present
singular
third-person
form: keeling
pos: verb
tags: participle
present
form: keeled
pos: verb
tags: participle
past
form: keeled
pos: verb
tags: past
Senses:
gloss: A large beam along the underside of a ship’s hull from bow to stern.
pos: noun
examples: 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.
gloss: A rigid, flat piece of material anchored to the lowest part of the hull of a ship to give it greater control and stability.
pos: noun
gloss: In 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.
pos: noun
gloss: The rigid bottom part of something else, especially an iceberg.
pos: noun
tags: broadly
examples: 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.
Would he be able to break through the surface ice or would they ram into an ice keel extending down from the bottom of the ice pack that would rip their craft open like a mere sardine can?
gloss: A type of flat-bottomed boat.
pos: noun
examples: 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.
gloss: The periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge.
pos: noun
examples: 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.
gloss: The two lowest petals of the corolla of a papilionaceous flower, united and enclosing the stamens and pistil; a carina.
pos: noun
examples: 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; […]
gloss: To collapse, to fall.
pos: verb
tags: intransitive
examples: He keeled over after having a stroke.
gloss: To traverse with a keel; to navigate.
pos: verb
gloss: To turn up the keel; to show the bottom.
pos: verb
Derived words: bilge keel
caudal keel
even keel
false keel
fin keel
keelage
keel arch
keelback
keelboat
keelful
keelhaul
keel-jawed needlefish
keelless
keelman
keely
off keel
on keel
sliding keel
keel over
Translations: