Whenever used in this chapter, unless a contrary intention is clearly evident, the following terms shall be interpreted as herein defined:

1. (1) The term "pet" shall mean only domesticated species of carnivores.
2. (2) The term "owner" shall mean and include any person who (a) has a right of property in a pet, (b) keeps or harbors a pet or who has it in his care or acts as its custodian, or (c) permits a pet to remain on or about any premises occupied by him.
3. (3) The term "inoculation against rabies" shall mean the injection, subcutaneously, intramuscularly or otherwise, of antirabic vaccine as approved by the Department of Health and Environmental Control and by the United States Department of Agriculture - Veterinary Biologics Division.
4. (4) The term "rabies control officer" shall mean any person appointed for the control of rabies with the approval of the State Health Officer under the provisions of this chapter.