‖[ Pers. & Hind. doāb, prop., two waters. ] A tongue or tract of land included between two rivers; as, the doab between the Ganges and the Jumna. [ India ] Am. Cyc. [ 1913 Webster ]
[エドアブラザメぞく, edoaburazame zoku](n) Heptranchias (genus of cow shark in the family Hexanchidae containing the sharpnose seven-gill shark as its only member)[Add to Longdo]