

sleepers
/ΛsliΛpΙrz/


noun
A spy, saboteur, or terrorist who lives unobtrusively in a community until activated by a prearranged signal; may be part of a sleeper cell.








noun
An automobile which has been internally modified to excess, while retaining a mostly stock appearance in order to fool opponents in a drag race, or to avoid the attention of the police.



noun
A structural beam in a floor running perpendicular to both the joists beneath and floorboards above.


