Percy Grainger per·cyg·rain·ger uncommon noun 1. United States composer (born in Australia) who lived in London and collected English folk songs (1882-1961) SynonymsGraingerPercy GraingerPercy Aldridge GraingerGeorge Percy Aldridge Grainger Related words Broader terms composer WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.