[DOC] [TLE] Mainstream | Define Mainstream at Dictionary.com [PAR] Mainstream definition, the principal or dominant course, tendency, or trend: the 
mainstream of American culture. ... a river having tributaries. 3. ... belonging to or 
characteristic of a principal, dominant, or widely accepted group, movement, style
, etc. ... to send into the mainstream; cause to join the main force, group, etc.:. [DOC] [TLE] Tributary | Define Tributary at Dictionary.com [PAR] Tributary definition, a stream that flows to a larger stream or other body of water. 
... 1325-75; Middle English (adj. and noun) < Latin tribtrius of tribute, one ... But 
I had to find my way into another passion, and with the art, it was a river ... About 
fifty steamboats are in commission on the Magdalena and its tributary, the Cauca. [DOC] [TLE] Mainstreaming | Define Mainstreaming at Dictionary.com [PAR] Mainstreaming definition, integration of children with special educational ... noun. 
1. the principal or dominant course, tendency, or trend: the mainstream of ... a 
river having tributaries. ... belonging to or characteristic of a principal, dominant, 
or widely accepted group, movement, ... What If It's Sexual Harassment by Drivers
? [DOC] [TLE] Mainstream - definition of mainstream by The Free Dictionary [PAR] To incorporate into a prevailing group. ... 2. a river having tributaries. adj. 3. 
belonging to or characteristic of a principal or widely accepted group, movement, 
style, etc. ... Noun, 1. mainstream - the prevailing current of thought; "his thinking 
was in the ... adjective conventional, general, established, received, accepted, 
central,... [DOC] [TLE] Mainstreamer - definition of mainstreamer by The Free Dictionary [PAR] 2. To incorporate into a prevailing group. ... 2. a river having tributaries. adj. 3. 
belonging to or characteristic of a principal or widely accepted group, movement, 
style, etc. ... Noun, 1. mainstream - the prevailing current of thought; "his thinking 
was in the .... The water's been turned off at the main(s); (also adjective) the 
mains... [DOC] [TLE] Mainstreams - definition of mainstreams by The Free Dictionary [PAR] Define mainstreams. mainstreams synonyms, mainstreams pronunciation, ... 2. a 
river having tributaries. adj. 3. belonging to or characteristic of a principal or 
widely accepted group, ... Noun, 1. mainstream - the prevailing current of thought; 
"his thinking was in the .... (mein) adjective .... Want to thank TFD for its existence
? [DOC] [TLE] Mainstream jazz - definition of Mainstream jazz by The Free Dictionary [PAR] a. the main current (of a river, cultural trend, etc): in the mainstream of ... 2. a river 
having tributaries. adj. 3. belonging to or characteristic of a principal or widely 
accepted group, ... Noun, 1. mainstream - the prevailing current of thought; "his 
thinking was in the .... (mein) adjective .... Want to thank TFD for its existence? [DOC] [TLE] river - National Geographic Society [PAR] Mar 14, 2011 ... Together, a river and its tributaries make up a river system. .... After that, the 
Mississippi was widely traveled by traders and settlers on ... They encountered a 
group of natives who all appeared to be ... In fact, ancient Egyptians called their 
land Kemet, which means .... Amazon, Noun ... contiguous, Adjective. [DOC] [TLE] Kanye West mentions Serato | Serato.com [PAR] 2. a river having tributaries. adjective 3. belonging to or characteristic of a 
principal, dominant, or widely accepted group, movement, style, etc. [DOC] [TLE] Mainstreaming definition [PAR] Mainstreaming definition. ... a river having tributaries. 3. ... belonging to or 
characteristic of a principal, dominant, or widely accepted group, movement, style
, etc. [DOC] [TLE] Do you consider Radiohead mainstream? - Page 3 - General ... [PAR] noun 1. the principal or dominant course, tendency, or trend: the mainstream ... 
2. a river having tributaries. adjective 3.

Question: As a noun, it means a river having tributaries; as an adjective, it's belonging to a widely accepted group
Answer: a mainstream