Glossary of dartsThis is a glossary of terminology used in the game of darts. Where words in a sentence are also defined elsewhere in this article, they appear in italics.ABCDEFGHIJKLMNOPQRSTUVWZZubi checkout: Using all three darts in a turn to checkout from 40-99 ending a game of x01. Widely used in Wiltshire, UK.