ruler — School Stationery ruler /ˈruːlə/ noun CEFR A1 A straight tool used to measure things or draw lines. “Use a ruler to draw a straight line.” Related words in this scene paintpaintbrushgluetapefolderpaperpenpencilstaplernotebookrubberscissorssharpenercrayonstaplepaperclipschoolbagpencil casecoloursharpcutdrawstickbreaklabelenvelopeinkhighlightercalculatorstringclipboard Practice this word Create worksheet