1000 sheets; many pages
Only with reading せんまい
Literally 1000 flat objects, especially sheets of paper; also used loosely for a large number of pages or documents.
This book has over a thousand pages.
omasum; bible tripe; book tripe
The third stomach of a cow, used as food. In culinary contexts, usually written in katakana as センマイ.
千枚の書類を整理するのは大変だ。
Organizing a thousand documents is tough.
I ordered omasum at the yakiniku restaurant.
Omasum is characterized by its crunchy texture.
Standard kanji spelling for the counting sense.
Katakana spelling is standard for the tripe sense; this sense is usually written in kana.
千枚 is a compound of 千 (thousand) and 枚 (counter for flat objects). The tripe sense is an extension from the resemblance of the omasum's many folds to a stack of sheets.