rhomboid
noun/ˈrɒmbɔɪd/
/ˈrɑːmbɔɪd/
(geometry)- a flat shape with four straight sides, with only the opposite sides and angles equal to each otherTopics Colours and Shapesc2Word Originlate 16th cent. (as a noun): from French rhomboïde, or via late Latin from Greek rhomboeidēs, from rhombos.
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rhomboid