Umbral, limiar, peitoril.
n.The basis or foundation of a thing; especially, a horizontal piece, as a timber, which forms the lower member of a frame, or supports a structure; as, the sills of a house, of a bridge, of a loom, and the like.
The timber or stone at the foot of a door; the threshold.
The timber or stone on which a window frame stands; or, the lowest piece in a window frame.
The floor of a gallery or passage in a mine.
A piece of timber across the bottom of a canal lock for the gates to shut against.
The shaft or thill of a carriage.
A young herring
structural member generic term noun, rock generic term, stone generic term
Vogais: i
Consoantes: sll
shill, silly, skill, swill, scilla, skilly, squill, sail, sell, sial.