Definition of after:

part of speech: conjunction

When- as, you will come to me after he has seen you.

part of speech: adjective

Later in time- as, it is an after thought.

part of speech: adverb

At a later time.

part of speech: preposition

Behind; later- as, he went home after dinner.

Usage examples:

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ronde bosse

In arch., a term applied to sculptured objects in their full forms, in contradistinction to those which are in relief, or attached more or less to a plane or ground. ...