Translation guide
The English word 'jack' has many meanings. This guide covers the most common ones useful for learners: a device for lifting (car jack), a playing card, and an electrical connector. Other meanings like the name or a naval flag are less common for everyday use.
playing card jack
The most common word for a car jack. A loanword from English.
I used a jack to change the car tire.
A technical term for a jack, literally 'thousand catties'. Rarely used in everyday conversation.
This jack has a maximum load of 5 tons.
The jack in a deck of cards, between 10 and queen.
The standard term for the jack in playing cards. Used in most card games.
I played the jack of hearts.
Often written as the letter 'J' and read as ジェー, especially in written form or when referring to the card symbol.
The jack of spades is strong.
A socket or plug for connecting electrical devices, especially audio/video.
ジャック (jakku) is for playing cards and electrical connectors. ジャッキ (jakki) is for the lifting tool. The pronunciation and spelling are different.
The jack in cards is not a car jack.
この端子はマイク用です。
This jack is for a microphone.