compilation UK /ˌkɒm.pɪˈleɪ.ʃən/US /ˌkɑm.pɪˈleɪ.ʃən/ noun3 •The act or process of compiling or gathering together from various sources.The scope of this computor will not necessarily be restricted to paybill compilation; its application to other work is being studied, and all possible use will be made of its capabilities. — 1957 •That which is compiled; especially, a book or document composed of materials gathering from other books or documents.Susie made Jasmine a compilation CD of some of the best songs they'd heard at the festival. •Translation of source code into object code by a compiler. formscompilations