lurcher
noun
[ ˈləːtʃə ]
• a cross-bred dog, typically a retriever, collie, or sheepdog crossed with a greyhound, of a kind originally used for hunting and by poachers for catching rabbits.
• a prowler, swindler, or petty thief.
Origin:
early 16th century (in lurcher (sense 2)): from obsolete lurch ‘remain in a place furtively’, variant of lurk.