boundary
noun
[ ˈbaʊnd(ə)ri ]
• a line which marks the limits of an area; a dividing line.
• "a county boundary"
Similar:
border,
frontier,
borderline,
partition,
dividing line,
bounding line,
bounds,
confines,
limits,
outer limits,
extremities,
margins,
edges,
fringes,
periphery,
perimeter,
circumference,
rim,
circuit,
marge,
bourn,
skirt,
• a hit crossing the limits of the field, scoring four or six runs.
Origin:
early 17th century: variant of dialect bounder, from bound2 + -er1, perhaps on the pattern of limitary .
