What is the meaning of Canis?

a dog, a hound (animal)

a ‘dog’ constellation or ‘dog’ star: either Canis Major, its brightest star Sirius; or Canis Minor, its brightest star Procyon

a dog, a hound, a bounder, a blackguard, a cad, a heel (foul person)

a dog, a creature (human parasite or follower who depends on someone with great power and resources and bends to their will)

a tiger, a dragon, a savage (a fierce or enraged person)

dative/ablative masculine/feminine/neuter plural of cānus

second-person singular present active indicative of canō

plural of canil

plural of cani

Source: wiktionary.org