■ noun
1》 a sleeping car or a train carrying sleeping cars.
↘ N. Amer. a sofa or chair that converts into a bed.
↘ chiefly N. Amer. a sleepsuit for a baby or small child.
2》 a film, book, play, etc. that eventually achieves success after initially attracting little attention.
3》 a secret agent who remains inactive for a long period while establishing a secure position.
4》 Brit. a ring or bar worn in a pierced ear to keep the hole from closing.
5》 Brit. a wooden or concrete beam laid transversely under railway track to support it.
6》 a stocky fish with mottled coloration. [ Dormitator and other genera.]