Tidal flow is the movement of water in and out of an area due to the gravitational pull of the moon and sun. The term can be broken down into three parts: EBB (3 letters), EAGRE (5 letters), and BORE (4 letters). EBB is the outward flow of water from an area, EAGRE is a large wave caused by the tide, and BORE is an incoming wave caused by the tide. Together, these three terms describe the cyclical movement of water in and out of an area due to the gravitational pull of the moon and sun.