dreikanter
noun
drei·kan·ter
ˈdrīˌkäntə(r),
-kan-
plural dreikanters or dreikanter
: a 3-faced pebble faceted by wind-blown sand
broadly : ventifact
Word History
Etymology
German, literally, one having three edges, from drei three (from Old High German drī) + kante edge (from Low German kant, kante, from Middle Low German, from Middle Dutch cant) + -er (from Old High German -āri)