The external angle of knee timber, the inside of which is called the throat.
The part of a cannon or other firearm behind the chamber.
A breech birth.
A garment whose purpose is to cover or clothe the buttocks.
With the hips coming out before the head.
Born, or having been born, breech.
To fit or furnish with a breech.
To fasten with breeching.
The bottom; the buttocks or anus.
Foundation.
The underlying basis or principle for a theoretical or mathematical system.