a tool in the shape of the letter T that can help you to draw lines that are exactly parallel or in the shape of a square. A T-square is used in making detailed plans for buildings etc.
Synonyms and related words
Instruments used in mathematics and geometry
compasses
dividers
plumb line
T-square
noun countable
US
Word Forms
singular
T-square
plural
T-squares
DEFINITIONS1
1
a tool in the shape of the letter T that can help you to draw lines that are exactly parallel or in the shape of a square. A T-square is used in making detailed plans for buildings, etc.