A breech birth.
The part of a cannon or other firearm behind the chamber.
A garment whose purpose is to cover or clothe the buttocks.
The external angle of knee timber, the inside of which is called the throat.
Born, or having been born, breech.
With the hips coming out before the head.
To fit or furnish with a breech.
To fasten with breeching.
A thicket.
Opaque; allowing little light to pass through.
Thick; difficult to penetrate.
Obscure, or difficult to understand.
Slow to comprehend; of low intelligence.
Having relatively high density.
Compact; crowded together.
Being a subset of a topological space that approximates the space well. See the Wikipedia article on dense sets for a mathematical definition.