noun Cell Biology.
- (in heterogamous reproduction) the larger and usually female of a pair of conjugating gametes.
noun
- the larger and apparently female of two gametes in conjugating protozoansCompare microgamete
n.
- The larger of a pair of conjugating gametes, usually the female, in an organism that reproduces by heterogamy.megagamete
- The larger of a pair of conjugating gametes, usually the female, in an organism that reproduces by heterogamy.