English Dictionary

jack-knife

名詞

口語 別表記 異形

A compact folding knife. / The front-dive pike, in which the body folds and unfolds. / (colloquial) A semi-trailer truck accident in which the vehicle mimics the closing of a jack-knife.

日本語の意味

コンパクトな折りたたみ式ナイフ / 体を折りたたみ、伸ばす動作を伴う前方ダイブ（パイク）ダイビングの技 / セミ・トレーラートラックが車体を折りたたむような形で衝突する事故、いわゆるジャックナイフ事故

He pulled out a jack-knife to cut the rope securing the crate.

彼は木箱を固定しているロープを切るために折りたたみナイフを取り出した。

意味（1）

A compact folding knife.

He kept a jack-knife in his pocket for various tasks.

意味（2）

The front-dive pike, in which the body folds and unfolds.

It took me hundreds of dives to master even the simple jackknife.

意味（3）

(colloquial) A semi-trailer truck accident in which the vehicle mimics the closing of a jack-knife.

I have seen several jack-knives along that dangerous stretch of road.

意味（4）

(statistics) Alternative spelling of jackknife

jack-knives （ plural ）