prōjectĭo
ōnis, f.
I.
a throwing forward, a stretching out.
I.
Lit.: brachii, i e. extension (opp. contractio), Cic. Or. 18, 59: projectiones aquae, jets, Fest. s. v. tullios, p. 352 Müll.—
II.
Transf., concr., like projectura, a projection, in buildings; also, Dig. 43, 17, 3, §§ 5 and 6.