pantile

WordReference Random House Unabridged Dictionary of American English © 2026

pan•tile  (pan′tīl′), n. 

1. Building, Architecture a roofing tile straight in its length but curved in its width to overlap the next tile.
2. Building, Architecture a tapered, semicylindrical roofing tile laid either convex side up to overlap flanking similar tiles laid concave side up or vice versa.

• pan¹ + tile 1630–40

Collins Concise English Dictionary © HarperCollins Publishers::

pantile / ˈpænˌtaɪl/ noun

1. a roofing tile, with an S-shaped cross section, laid so that the downward curve of one tile overlaps the upward curve of the adjoining tile

Etymology: 17th Century: from pan¹ + tile