n.
1.a radioactive metallic element that is similar to tellurium and bismuth
2.a noncommissioned officer in the navy with a rank comparable to sergeant in the army
3.a European river
4.an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
Idiom of the Day
bail out (someone) or bail (someone) out
to pay a sum of money that allows someone to leave jail while waiting for a trial
The singer had to pay much money to bail himself out of prison.