Meanings of thick binder in English

She was wearing glasses, perusing an impossibly thick binder, presumably filled with schematics of fission-fusion thermonuclear weapons.

They asked no questions of Mr. Vithanage, simply filled out columns of information in a thick binder with fine yellow paper edged in red.

He lifted up a thick binder and waved it in the air like a thunderbolt he was about to stuff down the witness's throat.

Forty minutes later, I was seated behind said desk, studying a thick binder titled "Preparing and Processing Billings," aka "Keeping the Juices Flowing."

I pointed at the three thick binders on my lap.

Max removed several thick binders from his briefcase.

Each day of the trial, Koh trudges to her seat holding a stack of thick binders with both hands.

We both mechanically pull down our code books, thick binders swollen with pages of alpha-numeric sequences, and swiftly decipher the message.