n.
1.a rester who is sleeping
2.a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
3.an unexpected achiever of success
4.one of the cross braces that support the rails on a railway track
5.a passenger car that has berths for sleeping
6.a piece of furniture that can be opened up into a bed
7.tropical fish that resembles a goby and rests quietly on the bottom in shallow water
8.an unexpected hit