The term 'Fitting Together' can be described as 'Meshing', which is a seven-letter word. Meshing is the process of connecting two or more objects together in order to form a single, unified structure. It is commonly used in engineering and construction, where it is used to join components of a structure together. Meshing is also used in computer science, where it is used to connect different parts of a network together. In addition, meshing is used in art and design, where it is used to create intricate patterns and textures.