Definition of tegula in English:
noun (plural tegulae-ˌlē)
1 Entomology A small scalelike sclerite covering the base of the forewing in many insects.
- They both have bifoliate pseudobulbs that are separated by a long rhizome covered by coriaceous bracts, a pollinarium of Type 1 composed of a liguliform tegula, with conspicuous resin or wax-like rewards at the lip surface.
- With pollinarium removed, exposing the scar left after the removal of the tegula.
- With the wing in the open-position a membrane fold touches the tegula.
2 Archaeology A flat roof tile, used especially in Roman roofs.
- The gaps between the tegulae were covered with curved tiles, semi-circular in section, called imbrices.
- However, some 2kg were identified as fragments of tegulae, while 1kg comprised fragments of imbrex.
- The concave-shaped tile is the tegula and the convex-shaped tile, holding together the two tegulae, is the imbrex.
Early 19th century: from Latin, literally 'tile', from tegere 'to cover'.
Definition of tegula in:
- British & World English dictionary
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