parallelogram
noun /ˌpærəˈleləɡræm/
/ˌpærəˈleləɡræm/
(geometry- enlarge imagea flat shape with four straight sides, the opposite sides being the same distance apart at every point and equal to each other
平行四边形 Topics Colours and Shapesc2词源late 16th cent.: from French parallélogramme, via late Latin from Greek parallēlogrammon, from parallēlos ‘alongside another’ + grammē ‘line’.