Senses
橹/ 櫓 variants: 㯭, 樐, 艣, 艪 scull
A large oar worked from side to side over the stern of a boat to propel it
橹/ 櫓 shield
(bound form) A large ancient wooden shield used for defense in battle
橹/ 櫓 watchtower
(bound form) An open watchtower or turret on top of a city wall used for observation during a defense