Webster's Revised Unabridged Dictionary · 1913

Canicular

Canicular , adjective

[Latin canicularis; compare French caniculaire.]

Pertaining to, or measured, by the rising of the Dog Star.
Collocations (2)
Canicular days , the dog days, See Dog days.
Canicular year , the Egyptian year, computed from one heliacal rising of the Dog Star to another.