milestone
1 ENTRIES FOUND:
plural
milestones
plural
milestones
Britannica Dictionary definition of MILESTONE
[count]
1
:
a stone by the side of a road that shows the distance in miles to a specified place
2
:
an important point in the progress or development of something
:
a very important event or advance
— usually + in
-
The birth of their first child was a (major) milestone in their marriage.
-
The study marks an important milestone in our understanding of the disease.
