S: (n) source (source%1:22:00::) ((technology) a process by which energy or a substance enters a system) "a heat source"; "a source of carbon dioxide"
S: (n) reservoir (reservoir%1:17:00::), source (source%1:17:00::) (anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies) "an infectious agent depends on a reservoir for its survival"
S: (n) reference (reference%1:10:07::), source (source%1:10:01::) (a publication (or a passage from a publication) that is referred to) "he carried an armful of references back to his desk"; "he spent hours looking for the source of that quotation"
Verb
S: (v) source (source%2:40:00::) (get (a product) from another country or business) "She sourced a supply of carpet"; "They are sourcing from smaller companies"
S: (v) source (source%2:31:00::) (specify the origin of) "The writer carefully sourced her report"