prop·a·gate [ próppə gàyt ](past and past participleprop·a·gat·ed, present participleprop·a·gat·ing, 3rd person present singularprop·a·gates)
verb
Definition:
1. transitive and intransitive verb biology reproduce organism: to reproduce a plant or animal, or cause one to reproduce
2. transitive and intransitive verb gardening create new plants: to multiply plants by the use of seeds or cuttings
3. transitive verb spread something widely: to spread an idea or custom to many people
4. transitive and intransitive verb physics impel something forward: to move or transmit something such as a sound or light wave forward through a medium such as air
[Late 16th century. < Latin propagat-, past participle of propagare "breed plants from shoots or layers" < propago "layer"]
