keel

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keel

1
1. one of the main longitudinal structural members of a vessel to which the frames are fastened and that may extend into the water to provide lateral stability
2. any structure corresponding to or resembling the keel of a ship, such as the central member along the bottom of an aircraft fuselage
3. Biology a ridgelike part; carina

keel

2 Eastern English dialect
1. a flat-bottomed vessel, esp one used for carrying coal
2. a measure of coal equal to about 21 tons

keel

a fatal disease of young ducks, characterized by intestinal bleeding caused by Salmonella bacteria

Keel

 

(1) Keel of a vessel—a longitudinal, usually composite, beam running in the middle of the vessel bottom from the bow to the stern. The keel serves as a basic longitudinal link providing strength and rigidity to the bottom and overall stability to the vessel’s hull.

Wooden vessels have a keel in the form of a bar; this form was also retained on old metal-hull vessels (bar keel). On modern double-bottomed steel vessels the keel consists of a thick reinforced plate on the bottom and one or two (duct keel) vertical plates located between the double bottom. Bilge keels (side keels) in the form of long rigid plates are installed along what is called the turn of the bilge on the outside of the hull in order to lessen the rolling of the vessel.

(2) Keel of an airship—fin or vertical stabilizer—part of the tail unit of an aircraft located in a vertical (or inclined) plane and designed to provide directional stability. A flight rudder is attached by hinges to the trailing edge of the fin.

keel

[kēl]
(naval architecture)
A steel beam or timber, or a series of steel beams and plates or timbers joined together, extending along the center of the bottom of a ship from stem to stern and often projecting below the bottom, to which the frames and hull plating are attached.
(vertebrate zoology)
The median ridge on the breastbone in certain birds. Also known as carina.

Keel

[kēl]
(astronomy)

keel

An appendage of a molding, usually a fillet, on the furthest projection of a molding.
References in periodicals archive ?
Representing a symbolic process in the keel laying, the coins are meant to bring good fortune during construction and throughout the ship's travels.
Keel laying ceremonies are a maritime tradition said to bring luck to the ship during her construction and to the captain and crew during her Sir David Attenborough - ceremony at Cammell Life.
21 April 2011 - Oslo-listed shipping company Fairstar Heavy Transport NV (OSL: FAIR) attended yesterday the keel laying ceremony of its semi-submersible vessel FORTE at Guangzhou Shipbuilding International (GSI) facility.
On July 2, a ceremony to mark the keel laying of Cunard Line's new Queen Elizabeth was held at the Monfalcone shipyard of Fincantieri near Trieste, Italy.
The Sagar Prahari Bal will comprise of 1000 personnel and will have 80 Fast Interception crafts for sea front patrolling," Antony told reporters on the sidelines of the Keel laying ceremony of the first indigenous aircraft carrier for the Navt at the Cochin Shipyard Limited.
Arnold Donald, president and CEO of Carnival Corporation, together with Bernard Meyer, CEO of Meyer Yards, Michael Thamm, CEO of Costa Group and Carnival Asia, and representatives of three of the Carnival Corporation brands that will receive the LNG ships David Dingle, chairman of Carnival UK; Neil Palomba, president of Costa Cruises; and Felix Eichhorn, president of AIDA Cruises gave the official "full steam ahead" signal for the keel laying of the first ship of the new LNG generation, AIDAnova, which will be delivered by Meyer Werft Papenburg in fall 2018.
The keel laying of the 'National Centre for Maritime Policy and Research' (NCMPR) in 2007 as adjunct to Bahria University was another endeavour of Pakistan Navy in the said direction.
According to Karachi Shipyard and Engineering Works (KSEW), construction of the vessel was started on April 16, 2015 with steel cutting and subsequently keel laying was performed on August 11, 2015.
KARACHI -- The keel laying ceremony of Fast Attack Craft (Missile) No.
for Western Laird He added: "Cammell Laird was exceptionally pleased and proud to welcome the team from Western Ferries for this historic keel laying ceremony.