What does the Spanish word se sienta mean?

"Se sienta" is a conjugation of the verb "sentar" in the third person singular. It means "he/she sits" or "it sits".

Here's a breakdown:

* se: This is a reflexive pronoun, meaning the action is being done to oneself.

* sienta: This is the present tense, third person singular form of the verb "sentar".

Example:

* Él se sienta en la silla. (He sits on the chair.)

* La mesa se sienta en el centro del comedor. (The table sits in the center of the dining room.)

Note: "Se sienta" can also be used in the context of feeling:

* Me siento bien. (I feel good.)

* Se siente mal. (He/she feels bad.)

In this context, "se sienta" means "feels" and is a part of a different verb construction.