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
knock (something) off or knock off (something)
to finish something, to do something, to make something (often in haste or carelessly)
The small furniture company is able to knock off tables very fast.