abut

UK: /əˈbʌt/ US: /əˈbʌt/ ,(ə but′)

Inflections of 'abut' (v): (⇒ conjugate)

abuts

v 3rd person singular

abutting

v pres p

abutted

v past

abutted

v past p

WordReference Random House Learner's Dictionary of American English © 2025

a•but /əˈbʌt/   v., a•but•ted, a•but•ting. 

1. to be adjacent;
   touch or join at the edge or border: [~ + on/upon/against + object]
   The garden abuts on the next yard.
   [~ + object]
   The garden abuts the next yard.

WordReference Random House Unabridged Dictionary of American English © 2025

a•but  (ə but′), v., a•but•ted, a•but•ting. 
v.i. 

1. to be adjacent;
   touch or join at the edge or border (often fol. by on, upon, or against):
   This piece of land abuts on a street.

v.t. 

2. to be adjacent to;
   border on;
   end at.
3. to support by an abutment.

• Middle French, Old French abuter touch at one end, verb, verbal derivative of a but to (the) end; see a-⁵, butt²
• late Middle English 1425–75

Collins Concise English Dictionary © HarperCollins Publishers::

abut / əˈbʌt/ verb (abuts, abutting, abutted)

1. usually followed by on, upon, or against: to adjoin, touch, or border on (something) at one end

Etymology: 15th Century: from Old French abouter to join at the ends, border on; influenced by abuter to touch at an end, buttress