1. coin collection(n = noun.group) Array - a collection of coins; Array
is a kind of accumulation, aggregation, assemblage, collection
2. coin collection(n = noun.act) coin collecting, numismatics, numismatology - the collection and study of money (and coins in particular); Array
is a kind of aggregation, assembling, collecting, collection
art collection, bottle collection, coin, coin bank, coin blank, coin box, coin collecting, coin collector, coin machine, coin silver, coin slot, collection, collection agent, collection plate, flip of a coin, garbage collection, loan collection, map collection, motley collection, rental collection, stamp collection, tax collection, trash collection