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
spare (someone) from (something)
to exempt someone from having to listen to or express something
I wish that our teacher would spare us from her speeches about her difficult childhood.