od

1 :  an overdose of a narcotic

2 :  one who has taken an OD

1 :  to become ill or die of an OD

2 :  to have or experience too much of something —usually used with on OD on television

1 doctor of optometry

2 [Latin oculus dexter] right eye

3 officer of the day

4 olive drab

5 on demand

6 outside diameter; outside dimension

7 overdraft; overdrawn

every day—used in writing prescriptions

1:  an overdose of a narcotic

2:  an individual who has taken an OD

:  to become ill or die of an OD

1doctor of optometry

2[Latin oculus dexter] right eye—used in writing prescriptions