Lewis Short
(adjective) : călĭgārĭus, a, um, id.
* Of or pertaining to the soldier's boot: clavus,Plin. 34, 14, 41, § 143.—Hence, with sutor, Inscr. Grut. 649, 1.—As subst.: călĭgārĭus, ii, m., a maker of soldiers' boots, a shoemaker, Lampr. Alex. Sev. 33; Firm. Matth. 3, 12; Inscr. Spon. Misc. 220.
Charlton T. Lewis, Charles Short, A Latin Dictionary