1. Fertilization by the union of male and female gametes from different individual of the same species
   - cross-fertilization 
2. Interchange between different cultures or different ways of thinking that is mutually productive and beneficial
   "the cross-fertilisation of science and the creative arts"
   - cross-fertilization

See also: cross-fertilise [Brit]

Type of: fecundation, fertilisation [Brit], fertilization, give-and-take, impregnation, interchange, reciprocation

• bird shot
• bird vetch
• bird watcher
• bird's eye view
• bird's foot
• bird's foot clover
• bird's foot trefoil
• bird's nest
• bird's nest fern
• bird's-eye
• bird's-eye bush
• bird's-eye maple
• bird's-foot fern
• bird's-foot violet
• bird's-nest fungus
• bird-footed dinosaur
• bird-on-the-wing
• bird-scarer
• birdbath
• birdbrain
• birdbrained
• birdcage
• birdcage mask
• birdcall
• birder