ペーパーウェイト
also: ペーパーウエイト · ペーパーウェート · ペーパーウエート
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Meanings
1
A small heavy object placed on top of papers to keep them from scattering. The Japanese synonym 文鎮 (ぶんちん) is also common.
See also: 文鎮
I put a paperweight on the documents on my desk so they wouldn't blow away in the wind.