Definition of Autogamy

Babylon English Dictionary
self-fertilization (Botany)
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Autogamy Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
Self-fertilization, the fertilizing pollen being derived from the same blossom as the pistil acted upon.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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autogamy
\au*tog"a*my\ (&?;), n. [auto- + gr. &?; marriage.] (bot.) self-fertilization, the fertilizing pollen being derived from the same blossom as the pistil acted upon.

WordNet 2.0

Noun
1. self-fertilization in plants
(antonym) allogamy
(hypernym) self-fertilization, self-fertilisation