(a) “Aerial application” means the practice of engaging in agricultural aircraft operations.

(b) “Agricultural aircraft operation” means:

(i) Dispensing any pesticide, seed, poison, chemical or fertilizer by aircraft;

(ii) Dispensing any other substance intended for plant nourishment, soil treatment, propagation of plant life or pest control by aircraft; or

(iii) Engaging in dispensing activities directly affecting agriculture, horticulture or forest preservation by aircraft.

(c) “Agricultural substance” means any seed, fertilizer or pesticide that is used, applied, sprayed or administered in an agricultural, horticultural or forestry setting.

(d) “Aircraft” means any contrivance now known or hereafter invented that is used or designed for navigation of or flight in the air over land and water, and that is designed for or adaptable for use in agricultural aircraft operation.

(e) “Applicator” means any person, as defined in this section, who is licensed under this article to engage in the business of agricultural aircraft operations; who may or may not be a pilot.

(f) “Commissioner” means the Commissioner of the Mississippi Department of Agriculture and Commerce.

(g) “Defoliant” means any substance or mixture of substances intended for causing the leaves or foliage to drop from a plant, with or without causing abscission.

(h) “Department” means the Mississippi Department of Agriculture and Commerce.

(i) “Desiccant” means any substances or mixtures of substances intended for artificially accelerating the drying of plant tissues.

(j) “Insect” means any of the numerous small invertebrate animals generally having the body more or less obviously segmented, for the most part belonging to the Class Insecta, comprising six-legged, usually winged forms, as for example, beetles, bugs and flies; and to other classes of arthropods whose members are wingless and usually have more than six (6) legs, as for example, spiders, mites, ticks, centipedes and wood lice.

(k) “Person” shall mean any individual, corporation, firm, partnership, company, trust, association or other legal entity.

(l) “Pesticide” means any substance or mixture of substances intended for preventing, destroying, repelling, mitigating or attracting any pests; and shall also include adjuvants intended to enhance the effectiveness of pesticides; and any substance or mixture of substances intended for use as a plant regulator, defoliant or desiccant.

(m) “Pilot” means the operator of an aircraft used in agricultural aircraft operation; however, a pilot may also be a person who is licensed as an applicator under the provisions of this article.