Available Definitions:
1) a. - Roving; wandering; discursive; as, a rambling fellow, talk, or building.
2) v. i. - To talk or write in a discursive, aimless way.
3) v. i. - To extend or grow at random.
4) n. - A going or moving from place to place without any determinate business or object; an excursion or stroll merely for recreation.
5) n. - A bed of shale over the seam.