origin, source, inception, root mean the point at which something begins its course or existence. origin applies to the things or persons from which something is ultimately derived and often to the causes …

SOURCE definition: any thing or place from which something comes, arises, or is obtained; origin. See examples of source used in a sentence.

SOURCE definition: 1. the place something comes from or starts at, or the cause of something: 2. someone or something…. Learn more.

1. any thing or place from which something comes or is obtained; origin. 2. the beginning or place of origin of a stream or river. 3. a book, person, document, etc., supplying esp. firsthand information. 4. …

source /sɔrs/ n. [countable] any thing or place from which something comes or is obtained; origin: He is the source of most of the discontent in the office. the beginning or place of origin of a stream or river. …

Definition of source noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A source is a person or book that provides information for a news story or for a piece of research. Military sources say the boat was heading south at high speed. She quotes secondary and primary …

A source is a point of origin or supply from which something is obtained or derived. This can refer to a variety of contexts such as a person who provides information, a document from which information is …

Source definition: A person or thing from which something comes into being or is derived or obtained.

There are 14 meanings listed in OED's entry for the noun source, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.