OD

/oh"dee"/, n., pl. ODs or OD's, v., OD'd or ODed or OD'ed, OD'ing or ODing.

n.

1. an overdose of a drug, esp. a fatal one.

2. a person who has taken an overdose of a drug, esp. one who has become seriously ill or has died from such an overdose.

v.i.

3. to take an overdose of a drug.

4. to die from an an overdose of a drug.

5. to have or experience an excessive amount or degree of something.

[1955-60]

1. See officer of the day.

2. Old Dutch.

3. Ordnance Department.

4. outside diameter.

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