bordering

/B AO1 R D ER0 IH0 NG/
verb
  1. 1

    To put a border on something.

  2. 2

    To form a border around; to bound.

  3. 3

    To lie on, or adjacent to, a border of.

    โ€œDenmark borders Germany to the south.โ€

  4. 4

    To touch at a border (with on, upon, or with).

    โ€œConnecticut borders on Massachusetts.โ€

  5. 5

    To approach; to come near to; to verge (with on or upon).

noun
  1. 1

    A pattern or ornament forming a border.

adjective
  1. 1

    Having a common boundary or border

    โ€œFrance and Spain are bordering nations.โ€

Source: https://en.wiktionary.org/wiki/border, https://en.wiktionary.org/wiki/bordering