Arc of Flight
Puzzle 2 of Nordic Connections Hard Pack
Question is: Arc of Flight
and the answer is: PARABOLA
Word Meaning:
PARABOLA — (geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
Definitions from Wiktionary.