We found one dictionary that defines the word upper and lower tangent arcs:

General (1 matching dictionary)

1. Upper and lower tangent arcs: Wikipedia, the Free Encyclopedia

▸ Words similar to upper and lower tangent arcs ▸ Usage examples for upper and lower tangent arcs ▸ Idioms related to upper and lower tangent arcs ▸ Wikipedia articles (New!) ▸ Words that often appear near upper and lower tangent arcs ▸ Rhymes of upper and lower tangent arcs ▸ Invented words related to upper and lower tangent arcs