- 1the outside edge of an area of land Guards patrol the perimeter of the estate. a perimeter fence/track/wall
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- 2(mathematics) the total length of the outside edge of an area or a shape Find the area and perimeter of the following shapes. compare circumference
Check pronunciation: perimeter