prone

今日取り上げる単語 "prone" は "be prone to" で知っていますが、The Sound of Wavesの次の場面ではその知っている意味ではありません。
Both the deck and the bilge became a lake of blood. The fuel tank was hit and kerosene spread on top of the blood. Some hesitated to fling themselves prone in this mess and were hit in the hips.
早速辞書を見ます。
・Oxford English Dictionary: Lying flat, especially face downward: I was lying prone on a foam mattress: a prone position
・Cambridge English Dictionary: formal lying face down: The photograph showed a man lying prone on the pavement, a puddle of blood around his head.
Vocabulary.comにこの "prone" の意味を覚えるのに役に立ちそうな次の説明がありました。
The second meaning of prone is "lying face down," and the Latin root is pronare, "to bend forward." This is a handy way to remember both meanings: if you tend to wait to start your term paper until the night before it's due, you are prone to procrastination — you bend toward it. If you stay up so late you fall asleep face down in the book, you are now prone at your desk.
なるほど、しかし、やっと思い出しました。この意味の "prone" は 9/3/2008 に取り上げていました。