A piece of information or news 信息;消息
There’s been no word from them since before Christmas.
自圣诞节前就一直没有他们的消息。

She sent word that she would be late.
她捎信来说她要晚些来。

If word gets out about the affair, he will have to resign.
要是这一绯闻传出去,他就得辞职。