"Easter"在词组中 需要大写。因为"Easter"是一个专有名词，指的是基督教中的复活节，通常在句子的开头或者作为专有名词出现时需要大写首字母。例如：

1. Most villagers took communion only at Easter.

2. They usually have a walking holiday at Easter.

3. Easter is a Christian celebration of the resurrection of Jesus Christ.