noun
fall line
A skiing term referring to the line of steepest descent down a slope. Also used in geography for the line connecting points where rivers drop from uplands to lowlands, but the skiing sense is more common in Japanese.
スキーでは、フォールラインに沿って滑ると最も速く降りられる。
In skiing, following the fall line allows you to descend the fastest.
Variant with interpunct, sometimes used for clarity.
Borrowed from English 'fall line'.