From Longman Dictionary of Contemporary Englishurchinur‧chin /ˈɜːtʃɪn $ ˈɜːr-/ noun [countable] old-fashionedSSCCHILD a poor dirty untidy child → sea urchin
Examples from the Corpus
urchin• An elf and an urchin, she had seen Holly.• Thousands of fertilized sea urchin eggs, starfish and blue clams returned to Earth with the astronauts.• Water-living animals, such as fish, molluscs, sea urchins and corals, are much more promising candidates for preservation.• I know there are sharks and moray eels and barracuda and spiny sea urchins.• In either case, the sea urchins could lose a major source of food.• She would even bring street urchins into the presidential palace to bathe them and treat their scabies and give them a meal.• The ball flew towards the travellers, and one of the street urchins collided with the Doctor.Origin urchin (1500-1600) urchin “hedgehog” ((13-20 centuries)), from Old French herichon, from Latin ericius 