ramble

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To move about aimlessly: synonym: wander.
• intransitive verb To walk casually or leisurely.
• intransitive verb To follow an irregularly winding course of motion or growth.
• intransitive verb To speak or write at length and with many digressions.
• intransitive verb To move about aimlessly through or over.
• noun A leisurely, sometimes lengthy walk.

from The Century Dictionary.

• noun A roving or wandering movement; a going or turning about irregularly or indefinitely; especially, a leisurely or sauntering walk in varying directions.
• noun A place to ramble in; a mazy walk or tract.
• noun In coal-mining, thin shaly beds of stone, taken down with the coal, above which a good roof may be met with.
• To roam or wander about in a leisurely manner; go from point to point carelessly or irregularly; rove: as, to ramble about the eity or over the country.
• To take a wavering or wandering course; proceed with irregular turns, windings, or transitions; show a lack of definite direction or arrangement: as, a rambling path or house; a rambling discourse; the vine rambles every way; he rambled on in his incoherent speech.
• To reel; stagger.
• Synonyms Ramble, Stroll, Saunter, Rove, Roam, Wander, Range., Stray. Ramble, by derivation, also stroll and saunter, and stray when used in this sense, express a less extended course than the others. To ramble or stroll is to go about, as fancy leads, for the pleasure of being abroad. To saunter is to go along idly, and therefore slowly. One may saunter or stroll, stray or wander, along one street as far as it goes. To ramble, rove, or roam is to pursue a course that is not very straight. One may rove, roam, or wander with some briskness or for some object, as in search of a lost child. One may wander about or stray about because he has lost his way. The wild beast ranges, roves, or roams in search of prey. Roam expresses most of definite purpose: as, to roam over Europe.

from the GNU version of the Collaborative International Dictionary of English.

• noun A going or moving from place to place without any determinate business or object; an excursion or stroll merely for recreation.
• noun (Coal Mining) A bed of shale over the seam.
• noun A section of woods suitable for leisurely walking.
• noun a type of dance.
• intransitive verb To walk, ride, or sail, from place to place, without any determinate object in view; to roam carelessly or irregularly; to rove; to wander
• intransitive verb To talk or write in a discursive, aimless way.
• intransitive verb To extend or grow at random.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A leisurely stroll; a recreational walk in the countryside.
• noun A rambling; an instance of someone talking at length without direction.
• noun mining A bed of shale over the seam of coal.
• noun A section of woodland suitable for leisurely walking.
• verb To move about aimlessly, or on a winding course
• verb To walk for pleasure; to amble or saunter.
• verb To talk or write incessantly, unclearly, or incoherently, with many digressions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb continue talking or writing in a desultory manner
• verb move about aimlessly or without any destination, often in search of food or employment
• noun an aimless amble on a winding course