|
|
 |
|
|
|
|
| T-square (plural T-squares) or T square (plural T squares) |
noun |
|
| Definition: |
| |
drawing-board instrument: a drawing-board ruler consisting of a rectangular handle with a straight-sided wooden or plastic blade attached perpendicular to it, to form a T shape. The handle sits against the edge of the board.
|
|
|
|
