naevus or nevusn, pl -vi (-va?) (Medicine) any congenital growth or pigmented blemish on the skin; birthmark or mole. Also called: naeve [C19: from Latin; related to (g)natus born, produced by nature] ?naevoid, ?nevoid adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014