Definition of tegula:
(n) :
(archaeology) A flat Roman roof tile with raised edges, joined together by an imbrex.
(n) :
(malacology) Any sea snail in the genus Tegula.
(n) :
(entomology) A small sclerite situated above the base of the costal vein in the wings of various insects, and attached to the anterolateral portion of the mesonotum.