The Collaborative International Dictionary
Canine letter
Canine \Ca*nine"\, a. [L. caninus, fr. canis dog: cf. F. canin. See Hound.]
Of or pertaining to the family Canid[ae], or dogs and wolves; having the nature or qualities of a dog; like that or those of a dog.
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(Anat.) Of or pertaining to the pointed tooth on each side the incisors.
Canine appetite, a morbidly voracious appetite; bulimia.
Canine letter, the letter r. See R.
Canine madness, hydrophobia.
Canine tooth, a tooth situated between the incisor and bicuspid teeth, so called because well developed in dogs; usually, the third tooth from the front on each side of each jaw; an eyetooth, or the corresponding tooth in the lower jaw.