[dike] n [ME, prob. fr. ON dik ditch and MLG dik dam; akin to OE dic ditch--more at ditch] (13c) 1: an artificial watercourse: ditch
2. a: a bank usu. of earth constructed to control or confine water: levee b: a barrier preventing passage esp. of something undesirable 3 a: a raised causeway b: a tabular body of igneous rock that has been injected while molten into a fissure
[2]dike vt diked ; dik.ing (14c) 1: to surround or protect with a dike
2: to drain by a dike -- dik.er n [3]dike var of
[2]dyke