From Longman Dictionary of Contemporary Englishfootball/baseball etc cardfootball/baseball etc cardDLHa small piece of thick stiff paper with a picture on one side, that is part of a set which people collect → card
Examples from the Corpus
football/baseball etc card• Readers of series books often collect books as eagerly as they collect baseball cards.• For example, my nephew Peter loves sports; he collects baseball cards, and creates imaginary teams in his mind.• Instead, I was sitting on my couch examining baseball cards and looking them up in the encyclopedia.• George hit upon the idea of buying a few baseball cards.• His baseball card collection was near and dear to him.• Finding that Stu Miller baseball card you wanted so badly.• When my kid was old enough to be interested, I gave him my old baseball cards to play with. 