n.[C]

1. 【美】移居者；殖民者；開拓者
   They were the earliest settlers in America.

   他們是最早去美國的移民。

   New Orleans has many places that commemorate the early settlers.

   新奧爾良有許多紀念早期開拓者的地方。

2. 【化】澄清器；沉澱器
3. （糾紛等的）解決者；（問題的）決定者

n.