英和和英

語源

From figure (“from the shape of the glyph "4"”) +‎ 4 (“a figure akin to that shape”).

名詞

figure 4 (plural figure 4s)

1. (climbing) A dynamic body position where a climber hooks one leg over the opposite arm (forming a "4" shape) in order to engage the core, maintain stability, and reach for distant holds, especially on overhanging terrain.
2. (combat sports) Alternative form of figure four.

参考