Depending on the setup its either

3-4= Defensive End/Nose Guard/Defensive End

4-3= Defensive End/Defensive Tackle/Defensive Tackle/Defensive End

5-2=Defensive End/Defensive Tackle/Nose Guard/Defensive Tackle/Defensive End

Defensive End. The DE plays on the outside edge of the defensive line. Called the Defensive End in a 4-3 allignment and is sometimes referred to as a Defensive Tackle in a 3-4 defensive allignment. The Defensive end is responsible for pass rushing and run stuffing.

A defensive end is the name of a defensive position in American and Canadian football, situated at each end of the defensive line.

The term for it is hyperemesis, excessive vomiting, such as in hyperemesis gravidarum, the excessive vomiting of pregnancy.

The D.S. is the defensive specialist.

D= defensive

S= specialist