T-squarenoun [ C ]
uk/ˈtiː.skweər/us/ˈtiː.skwer/a long, flat, T-shaped piece of wood, metal, or plastic, used to draw parallel lines
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set square
Thesaurus: synonyms and related words
Geometrical & mathematical instruments
- compass
- dividers
- planimeter
- protractor
- set square
- square
- triangle