spore print n (Botany) botany the pattern produced by placing the cap of a mushroom on a piece of paper and allowing the spores to fall Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014