A longitudinal timber, or series of timbers scarfed together, extending from stem to stern along the bottom of a vessel. It is the principal timber of the vessel, and, by means of the ribs attached on each side, supports the vessel's frame. In an iron vessel, a combination of plates supplies the place of the keel of a wooden ship. See Illust. of Keelson.
Fig.: The whole ship.
A barge or lighter, used on the Type for carrying coal from Newcastle; also, a barge load of coal, twenty-one tons, four cwt.
The two lowest petals of the corolla of a papilionaceous flower, united and inclosing the stamens and pistil; a carina. See Carina.
A projecting ridge along the middle of a flat or curved surface.
To traverse with a keel; to navigate.
To turn up the keel; to show the bottom.
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.
I'm probably my biggest critic. I worry that if you spend any quality time reveling in good things then karma will slap you upside the head, so I try to stay as even keel as I'm able. Neil Patrick Harris
Well, unless you've suffered from panic attacks and social anxiety disorders, which is what I was diagnosed as having, it's hard to explain it. But you go on stage knowing you're actually physically going to die. You will keel over and die. Donny Osmond
Of course I'm proud of what I've done, but I'm interested in what's next. I want to be relevant now, in 2012. I've done my bit for the past. I've only ever been about what's next, really, and I'll be that way until I keel over. Paul Weller