n.

1. 沉思，默想；冥想[U][P1]
   I'm sorry to interrupt your meditations.

   我很抱歉，打断你思考问题了。

   He reached his decision only after much meditation.

   他经过认真思考后才作出了决定。

2. 【宗】默念，默想[U][P1]
3. 沉思录[P][（+on/upon）]

n.

1. the action or practice of meditating.
2. a discourse expressing considered thoughts on a subject.