peter 1
/pee"teuhr/ , v.i. peter out
1. to diminish gradually and stop; dwindle to nothing: The hot water always peters out in the middle of my shower.
2. to tire; exhaust (usually used as a past participle): I'm petered out after that walk.
[ 1805-15, in sense "put an end to"; 1860-65 for def. 1; orig. uncert. ]
peter 2
/pee"teuhr/ , n. Slang ( vulgar ).
penis.
[ 1900-05; generic use of the proper name ]
peter 3
/pee"teuhr/ , n. Whist.
a signal for an echo.
[ 1935-40; from BLUE PETER ]