n.
Pronunciation: ' m ī (- ə )l- ˌ st ō n
Function: noun
Date: 1662
1 : a stone serving as a milepost
2 : a significant point in development
milestone
n.
Pronunciation: ' m ī (- ə )l- ˌ st ō n
Function: noun
Date: 1662
1 : a stone serving as a milepost
2 : a significant point in development
milestone
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012