concavo
From LSJ
Latin > English (Lewis & Short)
concăvo: no
I perf., ātum, 1, v. a. id., to make hollow, to hollow out, make round (very rare): bracchia in arcus, to curve, bend, Ov. M. 2, 195; cf. manus, Nemes. Ecl. 3, 49: concavati nidi, Col. 8, 5, 11.
Latin > French (Gaffiot 2016)
concăvō, āvī, ātum, āre, tr., rendre creux : concavare manus Nemes. Ecl. 3, 49, former un creux avec les mains || courber : Ov. M. 2, 195.