PEDIMENT

pediment

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

Source: WordNet® 3.1

Etymology

Noun

pediment (plural pediments)

(architecture) A classical architectural element consisting of a triangular section or gable found above the horizontal superstructure (entablature) which lies immediately upon the columns; fronton.

Source: Wiktionary

Ped"i*ment, n. Etym: [L. pes, pedis, a foot. See Foot.] (Arch.)

Definition: Originally, in classical architecture, the triangular space forming the gable of a simple roof; hence, a similar form used as a decoration over porticoes, doors, windows, etc.; also, a rounded or broken frontal having a similar position and use. See Temple.

Source: Webster’s Unabridged Dictionary 1913 Edition