ADAM'S Apple, a name given to a species of CITRUS. See BOTANY INDEX. ADAM'S Bridge, or Rama's Bridge, in Geography, a ridge of sands and rocks, extending across the north end of Manara gulf, from the island of that name, on the north-west coast of Ceylon, to Ramencote or Ramankoil island, off Raman point. ADAM'S Needle. See YUCCA, BOTANY INDEX.