1844, American English, from Spanish loco (adj.) "insane," of uncertain origin, perhaps from Arabic lauqa, fem. of 'alwaq "fool, crazy person." Loco-weed (1877) was name given to species of western U.S. plants that cause cattle and horse diseases that make them stagger and act strangely.
例文
1. Flight is the form of loco -motion that puts the greatest demands on muscles.
飛行は筋肉に最も要求される運動形態である。
2.After that，it became harder and harder to in loco parentisparentis.
これ以降、「親の代わり」を弁護することはますます難しくなってきた。
3.We had to punish this child in loco parentis.
親の代わりにこの子を罰しなければなりません。
4.The Kentucky high court decided that in loco parentis justified that rule.
ケンタッキー州高等裁判所は「親の代わり」に弁護させることを決定した。
5.Click on the loco ，and the drivers head appears.