#1 collection n. [aggregation, accumulation, assemblage] several things grouped together or considered as a whole. wn
#2 collection n. [compendium] a publication containing a variety of works. wn
#3 collection n. [solicitation, appeal, ingathering] request for a sum of money; "an appeal to raise money for starving children". wn
#4 collection n. [collecting, assembling, aggregation] the act of gathering something together. wn
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