o.d.

1. (in prescriptions) the right eye.

1. olive drab.
2. on demand.
3. outside diameter.

1. (in prescriptions) the right eye.

1. Doctor of Optometry.
2. officer of the day.
3. Old Dutch.
4. (of a military uniform) olive drab.
5. ordinary seaman.
6. outside diameter.
7. overdraft.
8. overdrawn.

abbreviation of overdose, attested from 1960.