călĭgāris — Lewis & Short
călĭgāris, e, adj.caliga,
I of or pertaining to the caliga or soldier's boot (access. form of the foll.):
clavus,Plin. 9, 18, 33, § 69; 22, 22, 46, § 94: formae, Edict. Diocl. p. 23.