English Noun English Wikipedia has an article on:replication forkWikipedia replication fork (plural replication forks) The Y-shaped region of a chromosome that is the site of DNA replication Translations a structure that forms within the long helical DNA during DNA replication Chinese: Mandarin: 复制叉 (fùzhì chā) See also lagging strand leading strandWikiwand - on Seamless Wikipedia browsing. On steroids.