This is the 712th most frequent Hebrew word.
באר
The Hebrew word "באר" means "well" (as in a water well) or "to explain/clarify" depending on context.
In this sentence, "באר" means 'well' as a source of water.
באר בעיר העתיקה מלאה מים זכים.
The well in the old city is full of clear water.
Here, "באר" means 'clarify' denoting an explanation of something.
הוא התבקש באר את דבריו כדי שכולם יבינו.
He was asked to clarify his statement so that everyone could understand.
In this case, "באר" is used as a verb meaning 'to explain' or 'elaborate'.