Boundary

Pronunciation

• UK IPA: /ˈbaÊŠndɹi/
• US IPA: /ˈbaÊŠndəɹi/
• Rhymes: -aÊŠndɹi

Origin

Old French, from Latin

Full definition of boundary

Noun

1. The dividing line or location between two areas.
2. (cricket) An edge or line marking an edge of the playing field.
3. (cricket) An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (a four) or 6 (a six) runs respectively for the batting team.
4. (topology) (of a set) the set of points in the closure of a set $S$, not belonging to the interior of that set.

Derived terms

• boundary umpire
• boundary rider

Related terms

• bound