from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Roof-shaped; sloping downwards on two sides from a raised central ridge.
- n. A type of cave-painting or engraving in the shape of an upward-pointing wedge or arrow.
from The Century Dictionary and Cyclopedia
- Like a roof in form or use; covering, or forming a cover; lid-like; specifically, in entomology, ridged in the middle and sloping down on each side: as, the tectiform elytra of some homopterous insects.
From New Latin tēctiformis ("roof-shaped"), from tēctum ("roof") + fōrma. (Wiktionary)