🇬🇧🇨🇳 coffer - 保险箱 : English Lesson

Meaning of "coffer" ("保险箱"), detailed definition, and a short video lesson below.

A coffer is a strong, sturdy box—often made of heavy wood or metal—with a lock on it, used to keep money, jewels, or other very special treasures safe.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

Grandpa said, “This old coffer is full of priceless treasures,” then pulled out 47 rubber bands and a rock that “looks like Elvis.”

The queen’s royal coffer had diamonds, rubies, and a sticky note that said, “Remember to feed the royal goldfish.”

I made a piggy‑bank coffer out of a cereal box, but it ate my allowance and refuses to give change.

My little brother buried a shoebox coffer in the yard with two crayons, one button, and his last french fry for future archaeologists.

Historians say real coffers were used in castles and palaces to lock up money and jewels—so basically, they were the safe deposit boxes of the olden days.

A boy digs and finds an old coffer under a stone. He pries the coffer open; inside bright coins and a child's paper. He lifts the coffer to the light, reads the note, and laughs. He brings the coffer to the village; everyone touches the coffer and shares its story, and the town feels richer.

This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.