Suspensura

Suspensura, the architectural term given by Vitruvius^[1] to piers of square bricks (about 20 cm X 20 cm) that supported a suspended floor of a Roman bath covering a hypocaust cavity through which the hot air would flow.

Notes

1. Vitruvii De architectura libri decem, V, 10 («De balnearum dispositionibus et partibus»).

 This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.