1. A principle or body of principles presented for acceptance or belief, as by a religious, political, scientific, or philosophic group; dogma.
2. A rule or principle of law, especially when established by precedent.
3. A statement of official government policy, especially in foreign affairs and military strategy.
4. Archaic Something taught; a teaching.
[Middle English, from Old French, from Latin doctrīna, from doctor, teacher; see DOCTOR.]
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