limber¹

/ˈlɪmbə/

adj.

supple; flexible.

v.

(often limber up) warm up in preparation for exercise or activity.

C16: perh. from limber² in the dial. sense ‘cart shaft’, with allusion to the to-and-fro motion.

limber²

/ˈlɪmbə/

n.

the detachable front part of a gun carriage.

v.

attach a limber to (a gun).

ME lymour, appar. rel. to med. L. limonarius from limo, limon- ‘shaft’.

以上來源於：《簡明牛津英語詞典》