What is the meaning of propagate?

verb

• Transmit from one generation to the next.
  • usage: "propagate these characteristics"
• Travel through the air.
  • usage: "sound and light propagate in this medium"
• Transmit.
  • usage: "propagate sound or light through air"
• Become distributed or widespread.
  • usage: "the infection spread"; "Optimism spread among the population"
  • synonyms: spread
• Transmit or cause to broaden or spread.
  • usage: "This great civilization was propagated throughout the land"
• Cause to become widely known.
  • usage: "spread information"; "circulate a rumor"; "broadcast the news"
  • synonyms: circulate, circularize, circularise, distribute, disseminate, broadcast, spread, diffuse, disperse, pass around
• Cause to propagate, as by grafting or layering.
• Multiply sexually or asexually. .