keel
/kiːl/
NOUN
1. The main structural beam along the bottom of a ship
A principal structural component running lengthwise along the bottom of a ship or boat, forming its backbone and helping provide stability.
1.1. Ship structure and stability
The central structural member along the bottom of a vessel that supports its framework and contributes to stability.
Synonyms
- backbone
- centerline
- keelson
Examples
- The ship's keel sliced through the waves as it sailed toward the harbor.
- The captain inspected the keel to ensure the vessel remained structurally sound.
Related Words
- hull
- stern
- bow
- rudder
- keelboat
- keelson
- bilge
- draught
NOUN
2. Red chalk or ruddle
A red mineral pigment, traditionally used for marking, drawing, or coloring.
2.1. Red mineral pigments and marking materials
A natural red pigment used for marking surfaces, drawing, and producing reddish coloration.
Synonyms
- ruddle
- red chalk
- red ochre
Examples
- The artist used keel to create reddish markings on the surface.
Related Words
- ochre
- pigment
- hematite
- mineral
- colorant
VERB
3. To tilt or overturn a vessel
To lean, tip, or overturn to one side, especially when describing the movement or instability of a boat or ship.
3.1. Tilting and capsizing on water
To lean or tip sideways, potentially causing a boat or vessel to lose its balance or overturn.
Synonyms
Antonyms
- straighten
- right
- stabilize
- steady
Examples
- As the storm intensified, the boat began to keel dangerously to one side.
- A sudden gust of wind caused the small sailboat to keel sharply.
Related Words
VERB
4. To collapse or fall over
To fall, topple, or collapse, especially suddenly or after losing physical balance.
4.1. Falling and losing balance
To fall suddenly or lose balance and collapse onto the ground.
Synonyms
Antonyms
Examples
- The exhausted sailor appeared ready to keel over after hours of working in the heat.
- The sudden shock nearly caused him to keel over.