\In`ter*cross"\ (?; 115), v. t. & i. [imp. & p. p.
{Intercrossed}; p. pr. & vb. n. {Intercrossing}.]
1. To cross each other, as lines.
2. (Biol.) To fertilize by the impregnation of one species or
   variety by another; to impregnate by a different species
   or variety.

\In"ter*cross`\, n.
The process or result of cross fertilization between
different kinds of animals, or different varieties of plants.
      We have reason to believe that occasional intercrosses
      take place with all animals and plants.  --Darwin.