keel
1
8.0
- noun
- /kiːl/
- Specialized
:
quilla
- To ensure the fitting of appropriate foot components and keel, each manufacturer was provided with each subject's age, weight, height, contralateral shoe size, activity level, amputation level, and length of residual limb.
- an even keel
- maintain an even keel
Examples
-
Well, I know what the what the keel sternum should look like.
-
They are much smaller, and they have no keel.
Fiction book (1990) -
It actually resides in the keel.
Fiction book (1990) -
The bird's breastbone has a prominent keel that helps support its flight muscles.
-
In engineering, the keel design enhances the stability of the structure in adverse conditions.
-
The carapace shell of the turtle features a distinctive keel along the top that aids in its movement.
Synonyms
1
9.9
A ridge shaped like the bottom of a boat on a bird's breastbone or where two flower petals join
Idioms
Compounds
- Specialized
A fin under a sailboat that you raise or lower to stop the boat sliding sideways
How Prominent
Surface Forms
Etymology
Keel for a ridge on a bird's breast comes from the same idea as the boat's keel: the ridge looks like the long central beam under a ship. That's why a bird's keel supports the strong muscles used for flight.