Tetrahedron
Killjoynik Double-page supporter Joined May 3, 2019 Messages 261 Dec 28, 2019 #2,244 Negro (it's a color)
Yatsuki Supporter Joined Sep 21, 2018 Messages 2,881 Dec 30, 2019 #2,258 Yoink Surprisingly, each dictionary I looked at has different meanings for the words XD