dike (chiefly US) or chiefly Brit dyke 
/ˈdaɪk/ noun
plural dikes /ˈdaɪk/ noun [count] 1 : a long narrow hole that is dug in the ground to carry water : a ditch or trench 2 : a bank or mound of earth that is built to control water and especially to protect an area from flooding : levee
