snake’s head n (Plants) a European fritillary plant, Fritillaria meleagris, of damp meadows, having purple-and-white chequered flowers [C19: so called because its buds are claimed to resemble a snake’s head]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014