TECTIFORM

Etymology

Adjective

tectiform (comparative more tectiform, superlative most tectiform)

(biology, anthropology) Roof-shaped; sloping downwards on two sides from a raised central ridge.

Noun

tectiform (plural tectiforms)

(anthropology) A type of cave painting or engraving, having in its simplest form the shape of an upward-pointing wedge or arrow, thought to represent the roof of a tent or rudimentary building.

Source: Wiktionary