"I'm ready to go home."
Here's a breakdown of the phrase:
* Suis: This is the first person singular form of the verb "être" (to be) conjugated in the present tense.
* Prêt: This means "ready".
* À rentrer: This means "to go back" or "to go home".
* La: This is a bit of a grammatical quirk. In this context, it's unnecessary and could be omitted. It's likely a colloquialism or a regional variation.
So, the full meaning of the phrase is "I am ready to go home".