n.
1.obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving
2.pain resulting from rapid change in pressure
Idiom of the Day
buy a pig in a poke
to buy something without seeing it or knowing anything about it
It is like buying a pig in a poke if you buy that car without first inspecting it.