This volume presents a collection of papers from the second Interfaces in Language conference, hosted from 5OCo7 May 2009 at the University of Kent at Canterbury by the UniversityOCOs Centre for Language and Lingustic Studies (CLLS). Borne of a dissatisfaction with the rigid division of linguistics into sub-disciplines, Interfaces 2 offered specialists a platform to explore links between different approaches, and attracted participation from ten countries on four continents, addressing a wide ran...