n.
1.a barrier constructed to contain the flow of water or to keep out the sea
2.a metric unit of length equal to ten meters
3.female parent of an animal especially domestic livestock dam v.
1.obstruct with, or as if with, a dam
Idiom of the Day
know when one is not wanted
to sense when one's presence is not welcome
I know when I am not wanted so I will not go to the restaurant.