- of the Dog Star (Sirius)
- measured by its rising
- of the dog days in July and August
Origin of canicularMiddle English caniculer ; from Classical Latin canicularis ; from Canicula
- Of or relating to Sirius or Procyon, two stars in the constellation Canis Major.
- Of or relating to the dog days.
Origin of canicularLate Latin can&imacron;cularis, of Sirius, from Latin Can&imacron;cula, Sirius, diminutive of canis, dog; see kwon- in Indo-European roots.