| Answer | Crossword Clue |
|---|---|
| RANK | Horizontal line on a chessboard |
| XAXIS | Horizontal line on a graph |
| XAXIS | Horizontal reference line on a graph |
| MAGNETICEQUATOR | Line on which a dip needle is horizontal |
| XAXIS | Horizontal line in a mathematical plane |
| EJECT | Button whose icon consists of a triangle over a horizontal line |
