The term 'Scholarship of teaching and learning,' otherwise known as SoTL, was popularised largely by the work of prominent teaching scholar Ernest Boyer in the 1990s.
While there is no single definition, generally the term refers to a sustained inquiry into teaching and learning approaches and outcomes.
Implied in this definition is a reciprocal relationship between the research and practice of teaching. This definition also necessarily includes an accompanying body of published SoTL research.