ˈsli:pə n. 1 a
person or
animal that sleeps. 2
Brit. a
wooden or
concrete beam laid horizontally as a
support,
esp.
for railway track. 3 a a sleeping-car. b a
berth in
this. 4 Brit. a ring
worn in a pierced ear to
keep the hole from closing. 5 a
thing that is suddenly
successful after being undistinguished. 6 a sleeping-suit. 7 a
spy or
saboteur etc.
who remains inactive while establishing a
secure position.