### Clue: Rowe oddly neglected to include talk about language (5)
### Answer: OSAGE 
 ### Explanation: Definition: language
 "Rowe " **minus its 1st and 3rd letters**(oddly neglected) **containing**(to include) **reversal of**(… about) GAS(slang for empty and idle talk).
Defn: … of a North American Indian people.