Parapet vs. Sill

Parapetnoun

A low protective wall.

Parapetnoun

Part of a perimeter that extends above the roof.

Parapetnoun

(military) A fortification consisting of a wall.

Parapetnoun

A low wall, especially one serving to protect the edge of a platform, roof, bridge, or the like.

Parapetnoun

A wall, rampart, or elevation of earth, for covering soldiers from an enemy's fire; a breastwork. See Illust. of Casemate.

Parapetnoun

a low wall along the edge of a roof or balcony

Parapetnoun

fortification consisting of a low wall

Parapet

A parapet is a barrier that is an extension of the wall at the edge of a roof, terrace, balcony, walkway or other structure. The word comes ultimately from the Italian parapetto (parare 'to cover/defend' and petto 'chest/breast').

Sillnoun

(architecture) (also window sill) A horizontal slat which forms the base of a window.

Sillnoun

(construction) A horizontal, structural member of a building near ground level on a foundation or pilings or lying on the ground in earth-fast construction and bearing the upright portion of a frame. Also called a ground plate, groundsill, sole, sole-plate, mudsill. An interrupted sill fits between posts instead of being below and supporting the posts in timber framing.

Sillnoun

(geology) A horizontal layer of igneous rock between older rock beds.

Sillnoun

A piece of timber across the bottom of a canal lock for the gates to shut against.

Sillnoun

(anatomy) A raised area at the base of the nasal aperture in the skull.

Sillnoun

The inner edge of the bottom of an embrasure.

Sillnoun

(UK) A young herring.

Sillnoun

The shaft or thill of a carriage.

Sillnoun

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.

Sillnoun

The shaft or thill of a carriage.

Sillnoun

A young herring.

Sillnoun

structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure

Sillnoun

(geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock