- A structural beam or girder running along the centerline of the bottom of a ship or boat from the bow to the stern, providing stability and support.
- A similar beam or ridge in the center of a canoe or similar craft.
- A type of bird with a distinctive flat bill, such as the common gull.
The word 'keel' originated from the old english word 'ceol' meaning 'ship'.
- The keel of the ship was essential in keeping it steady on the water.
- The keel of the canoe helped it track straight in the current.
- The keel of the gull is designed to scoop up food from the water.
- The ship's keel was damaged during the storm, causing it to list to one side.
- The keel is the backbone of the ship, providing essential support and strength.