What is "metahorror"

MetaHorror is an anthology of stories edited by Dennis Etchison. It was published by Dell Abyss in July 1992. The anthology contains, among several other stories, the Peter Straub short story "The Ghost Village", which was original to the anthology and won the 1993 World Fantasy Award for Best Short Story. The anthology itself won the 1993 World Fantasy Award for Best Anthology.