n. & v. (also dike)
—n.
1 a long wall or embankment built to prevent flooding, esp. from the sea.
2 a a ditch or artificial watercourse. b Brit. a natural watercourse.
3 a a low wall, esp. of turf. b a causeway.
4 a barrier or obstacle; a defence.
5 Geol. an intrusion of igneous rock across sedimentary strata.
6 esp. Austral. sl. a lavatory.
—v.tr. provide or defend with a dyke or dykes.
Etymology: ME f. ON diacutek or MLG dik dam, MDu. dijc ditch, dam: cf. DITCH
2.
n. (also dike) sl. a lesbian.
Etymology: 20th c.: orig. unkn.
* * *
dyke etc.,a frequent spelling of dike n.1, etc.
Useful english dictionary. 2012.