Definition from Wiktionary, the free dictionary
Alternative forms 
- First attested in the mid 13th century.
- (of an estate): From Medieval Latin (Anglo-Latin) abuttare, from abuter (“to touch at one end, to come to an end, aim, reach”), from but (“end, aim, purpose”); akin to Old Norse butr (“piece of wood”).
- (of part of a building): From Middle English abutten, from Old French aboter (“to touch at one end, border on”)abouter (“to join end to end”), abuter (“to buttress, to put an end to”), from a- (“towards”) + bout (“end”), boter, bouter (“to strike”), buter (“to strike, finish”).
- (intransitive) To touch by means of a mutual border, edge or end; to border on; to lie adjacent; to project; to terminate; to be contiguous; to meet, of an estate, country, etc. [First attested around 1350 to 1470.]
- It was a time when Germany still abutted upon Russia.
- His land abuts on the road.
- (intransitive) To lean against on one end; to end on, of a part of a building or wall. [First attested in the late 16th century.]
- (transitive) To border upon; be next to; abut on; be adjacent to; to support by an abutment. [First attested in the mid 19th century.]
Usage notes 
- (estate or country): Followed by any of the following words: upon, on or (obsolete) to.
- (building): Followed by any of the following words: upon, on, or against.
to border on
- 1976 , Gove, Philip Babcock editor, Webster's Third International Dictionary of the English Language Unabridged, Springfield, MA: G. & C. Merriam Co., ISBN 0-87779-101-5, page 8:
- ^ 1984 , Urdang, Laurence editor, The Random House College Dictionary, New York, NY: Random House, Inc., ISBN 0-394-43600-8, page 7:
- 2003 , Brown, Lesley editor, The Shorter Oxford English Dictionary, edition 5th, Oxford, UK: Oxford University Press, ISBN 978-0-19-860575-7, page 11:
- 1971 , Morris, William editor, The American Heritage Dictionary of the English Language, New York, NY: American Heritage Publishing Co., Inc., ISBN 0-395-09066-0, page 6:
- ^ 2007 , Lindberg, Christine A. editor, The Oxford College Dictionary, edition 2nd, New York, NY: Spark Publishing., ISBN 978-1-4114-0500-4, page 5:
abút (frequentative abút-abút)
- arrive at a place
ábut (frequentative abút-ábut)
- to pluck