Sar·noff 
(särnôf′), David 1891-1971.
(särnôf′), David 1891-1971. Russian-born American communications pioneer who marketed the first home radio receiver and in 1926 formed the National Broadcasting Company.
- keenness
- keep
- keepan ear to the ground
- keep an eye on
- keep an eye out
- keep a/one's weather eye open
- keep a stiff upper lip
- keep at
- keep a weather eye open
- keep chin up
- keep company
- keep company
- keep down
- keep end up
- keeper
- keep eyes open
- keep eyes peeled
- keep fingers crossed
- keep head
- keep/hold (one's) peace
- keeping
- keep/know (one's) place
- keep kosher
- keep nose clean
- keep nose to the grindstone