orbiculus
From LSJ
Latin > English (Lewis & Short)
orbĭcŭlus: i, m.
dim. orbis,
I a small disk; a sheave, roller, pulley, etc. (anteclass. and post-Aug.), Cato, R. R. 3, 6; 22, 2; Col. 4, 30, 4; Vitr. 10, 5: radix concisa in orbiculos, cut in little disks or slices, Plin. 25, 13, 94, § 148; Inscr. Orell. 2519.— Esp., the nave of a wheel, Vitr. 10, 2, 9.
Latin > French (Gaffiot 2016)
orbĭcŭlus,¹⁴ ī, dim. de orbis, petite roue, roulette, poulie : Cato Agr. 3, 6 ; Col. Rust. 4, 30, 4 ; Vitr. Arch. 10, 2, 1