Today's Word of the Day means...
To go to bed; sleep; hit the hay: Well, it's time to sack out (WWII armed forces)
: sack dutynoun
[verb sense probably fr the notion of giving a discharged person a traveling bag or sack, since the earliest expression was get the sack]
To tackle the quarterback behind the line of scrimmage (1969+ Football)
[fr sack, ''to assault and pillage'']