source 
/ˈsoɚs/ noun
plural sourc·es /ˈsoɚs/ noun [count] 1 : someone or something that provides what is wanted or needed
▪ The college had its own power source. ▪ a water source = a source of water ▪ She has been a great source of strength to me. ▪ His job is the family's main source of income. 2 : the cause of something (such as a problem) — usually + of ▪ The delays are a source of concern. ▪ The team's bad play has been a source of disappointment. 3 : a person, book, etc., that gives information
▪ A government source spoke to the press today. ▪ The reporter has refused to reveal his sources. ▪ According to one source, the program will not cost a lot. ▪ information from various intelligence sources ▪ print sources ▪ a reference source 4 : the beginning of a stream or river of water
▪ the source of the Nile
▪ The college had its own power source. ▪ a water source = a source of water ▪ She has been a great source of strength to me. ▪ His job is the family's main source of income.
▪ A government source spoke to the press today. ▪ The reporter has refused to reveal his sources. ▪ According to one source, the program will not cost a lot. ▪ information from various intelligence sources ▪ print sources ▪ a reference source
▪ the source of the Nile
