v. & n.
—v.intr.
1 (foll. by out) (orig. of a vein of ore etc.) diminish, come to an end.
2 Bridge play an echo.
—n. Bridge an echo.
Etymology: 19th c.: orig. unkn.
2.
n. sl.
1 a prison cell.
2 a safe.
Etymology: perh. f. the name Peter
Useful english dictionary. 2012.