rainmaker ,
n :
Someone or something that causes or attempts to cause rain to fall. An African or Native American medicine man who seeks to induce rain through performing rituals. A person who seeks to induce rainfall through scientific methods, such as cloud seeding. (originally Canada, US, figuratively, informal) A person having the ability to generate business, raise funds, or otherwise engineer success for a company, organization, etc. (baseball, informal) A batted ball that is hit very high into the air.