tick box

noun

(on a form, questionnaire, or test) a square in which one places a tick to show agreement with the accompanying statement

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012