canicularis

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

cănīcŭlāris, e, adj. [canicula, II. A.],

of or pertaining to the dog-star (post-class.): dies, dog-days , Pall. Jul. 1 and 7; Sol. Veg. 5, 35: inclementia, Sid. Ep. 2, 2.