A gradually sloping bedrock surface located at the base of fluvial-eroded mountain range. Found in arid locations and normally covered by fluvial deposits.

triangular part of the facade of a Greek-style building, 1660s, alteration of periment, peremint (1590s), of unknown origin, "said to be a workmen's term" [OED]; probably a dialectal ga [..]

An architectural feature, normally triangular, which rests on the entablature. Its central section, called the tympanum, often contains low-relief sculptural decoration. Originally found on Ancient Gr [..]

the architectural structure above a window, door, or porch -- either triangular or segmental (an arc, or segment of a circle); an open pediment has the center of its top missing, and a broken pediment has the center of its base missing.

The triangular feature in classical architecture which resembles a gable over porticoes, windows and doors.

a gradually sloping bedrock surface at the alluvial foot of eroded mountains. Often seen in dry regions.

concave, rock-cut, slope found between a cliff face and a valley floor in arid and semi-arid areas.

noun Definition: decoration in a triangular shape: a decorative sculpture at the pointed part of a roof or ceiling Word History: from the book "The Boy in the Alamo" by Margaret CousinsExample Sentence: Mom put up some pediments to make the place pretty.

The triangular face of a gable, if separated by entablature or molding from the lower wall and treated as decorative unit.

Triangular low-pitched gable over classical portico, or over doorways, windows, etc.    (Wood, Margaret. The English Medieval House, 413)

(n) a triangular gable between a horizontal entablature and a sloping roof

A planar, sloping rock surface forming a ramp up to the front of a mountain range in an arid region. It may be covered locally by thin alluvium.

A sloping bedrock surface at the base of a mountain, formed when erosion removes much of the mountain’s mass. pebble

A triangular gable found at the end of a peaked roof. Also used as a decorative element.

A sloping bedrock surface at the base of a mountain, formed when erosion removes much of the mountain's mass.

A decorative triangular piece situated over a portico, door, window, fireplace, etc. The space inside the triangular piece is called the “tympanum,” and is often decorated.

A low-pitched triangular entrance head or cap. Also described as a triangle formed by sloping roof and horizontal cornice. May apply to window and door openings.

a gable supported actually or apparently on columns.

A triangular piece found over doorways, windows and occasionally mantles. It also refers to a low-pitched gable on the front of a building that is either from, or inspired by, ancient Greece.

triangular gabled end of a roof (usually used of temples)

a plannate erosion surface abutting a mountain front or set of high hills.  Pedon:

Broad triangular or curved space above a portico, doorway, window or cabinet. Can have segmental, scroll, and broken forms.

triangular shaped area of a building which is often the site of relief carving or pedimental sculpture. The pediment is formed by the continuation of the eaves around the gable