- a violet, Viola canina, that grows in Europe and N Asia and has blue yellow-spurred flowers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for dog violet
It feeds in May and June on dog-violet, and has been reared on garden pansy.
The ribs seem to be eighteen or twenty in number; laid in June or July on plants of dog-violet.
The caterpillar, which feeds on the dog-violet, is very similar to that of the last; as also is the chrysalis.British Butterfiles
W. S. Coleman