A Fix

1. A repair or corrective action. Hyponyms: bugfix, technofix

2. A difficult situation; a quandary or dilemma; a predicament.
3. (informal) A single dose of an addictive drug administered to a drug user.
4. A prearrangement of the outcome of a supposedly competitive process, such as a sporting event, a game, an election, a trial, or a bid.
5. A determination of location.
6. (US) fettlings (mixture used to line a furnace)