place name, punctuation · used to represent foreign sounds such as "ru" or "lu" in loanwords

秘鲁是南美洲的一个国家。

adjective · crass, stupid, or rash

他这人做事太鲁，经常把事情搞砸。

proper name · a Chinese surname

鲁迅是中国著名的作家。

noun · the abbreviated name for Shandong Province

鲁菜以其咸鲜的口味而闻名。

place name · an ancient state of China during the Zhou Dynasty

孔子出生于春秋时期的鲁国。