a female, who has a short, masculine haircut and is sexually attracted to other members of the female sex.
"That dyke loves pussy."
by tim duncan October 10, 2004
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a female who likes females.....
Audrey is a dike and her girlfriends name is Beth, she is also a dyke
by abby June 23, 2004
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A flood wall often made of rock and earth. It is chiefly British, spelled Dike. It may also be a ditch or channel. In Geology, it is a long mass of igneous rock that cuts across the structure of adjacent rock. The use of a dyke may cause severe flooding on the other side of the river and up-stream of the dyke.

This is also the original meaning of the word, in comparison to the new, generally accepted meaning referring to lesbians.
Because of the dyke across town, the flood was significantly less devistating.

Though it's a risk, there is a small hole in the dyke to let water seep out through more quickly.
by Ben Deivert May 31, 2008
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Straight Person: What up, dyke
Lesbian Person: I am triggered.
by bonelesscum August 13, 2018
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a girl who is not very girly

acts like a man

gretchen duff
wow, that softball player is such a dyke!
by cHolmes May 21, 2008
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