A low embankment, wider than a ridge, normally greater than 20 cm but less than 1 m, used to control runoff in irrigated lands. Bunds are characterized by the materials used (‘earth bund', ‘stone bund' or ‘mixed bund'), their shape (‘triangular bund', ‘trapezoidal bund', ‘semi-circular bund'), their dimension (‘large semi-circular bund'), their position across the slope (‘contour bund', ‘graded water diversion bund', ‘straight water diversion bund') and presence of ties if any (‘tied bund').; An embankment of earth and rock built to prevent floods or to hold irrigation water in for agricultural purposes.