Meaning

• The person, place or thing from which something (information, goods, etc.) comes or is acquired.

  "The accused refused to reveal the source of the illegal drugs she was selling."

• Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates.

  "The main sources of the Euphrates River are the Karasu and Murat Rivers."

• A reporter's informant.

• Source code.

• The name of one terminal of a field effect transistor (FET).

Meaning

• To obtain or procure: used especially of a business resource.

• To find information about (a quotation)'s source (from which it comes): to find a citation for.