Definition of source
(Entry 1 of 3)
1a : a generative force : cause
2a : the point of origin of a stream of water : fountainhead
3 : a firsthand document or primary reference work
source
verbsourced; sourcing
Definition of source (Entry 2 of 3)
1 : to specify the source of (something, such as quoted material)
2 : to obtain from a source
metals sourced from abroad
source
adjectiveDefinition of source (Entry 3 of 3)
: of, relating to, or being source code
a source file
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Time Traveler for source
The first known use of source was in the 14th century
See more words from the same century