upper girdle facet (16)
/ˌʌpəɹ ˈaɪlɪd/
n
English · upper girdle facet (16)中文 · 腰上刻面Español · media faceta superiorFrançais · halefis de table (16)
Bedeutung：Triangular facet cut on the crown face; the base touches the girdle.