{i} thin and flat metal or plastic instrument shaped in a triangle with one angle at 90 degrees which is used for drawing angles
set square
Hyphenation
SET square
Turkish pronunciation
set skwer
Pronunciation
/ˈset ˈskwer/ /ˈsɛt ˈskwɛr/
Etymology
[ 'set ] (verb.) before 12th century. Middle English setten, from Old English settan; akin to Old High German sezzen to set, Old English sittan to sit.