Sense: 1, 3
|Origin:||Old English dic 'ditch, dike'|
|Origin:||Probably from morphadyke 'male and female person, homosexual' (1900-2000), from hermaphrodite|
a wall or bank built to keep back water and prevent flooding
2 taboo informal
an offensive word for a lesbian (=woman who is sexually attracted to women). Do not use this word.
3 especially British EnglishTECTB
a narrow passage to carry water away [= ditch]