As used in this chapter, the following terms shall have the meanings indicated:
A permit in writing as issued by the Secretary of the Shade Tree Commission of the Borough of Brookville.
Any individual, firm, association or corporation.
Any shade trees, shrub or other woody plant on any public highway in the Borough of Brookville, or that part of any shade tree, shrub or other woody plant which extends within the lines of any public highway in said Borough.