side-line
Side line. 1. (a) A line pert. or attached to the side of a thing. (b) Specif., a line for hobbling an animal by connecting the fore and the hind feet of the same side. 2. (a) A line of goods sold in addition to one's principal articles of trade; a course of business pursued aside from one's regular occupation. (b) A secondary road; esp., a byroad at right angles to a main road. [Canada]