‖n. pl. [ NL., fr. L. orbis an orb + tela a web. ] (Zool.) A division of spiders, including those that make geometrical webs, as the garden spider, or Epeira. [ 1913 Webster ]
n. [ L. sorbus service tree. ] (Chem.) A sugarlike substance, isomeric with mannite and dulcite, found with sorbin in the ripe berries of the sorb, and extracted as a sirup or a white crystalline substance. --