Polyspermy

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Polyspermy \Pol"y*sper`my\, n. (Biol.)
     Fullness of sperm, or seed; the passage of more than one
     spermatozoon into the vitellus in the impregnation of the
     ovum.
     [1913 Webster]