laika (?la?k?) n1. (Animals) a small Russian, Siberian or Nordic hunting dog, or any dog belonging to one of the breeds developed from this2. (Breeds) a small Russian, Siberian or Nordic hunting dog, or any dog belonging to one of the breeds developed from thisCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014