Jastrow: בָּאַר

בָּאַר (√בא, v. בֹּוא) 1) to break forth, come to light. Denom. בְּאֵר; cmp. טוּף. —2) to be open, clear. —Pi. בֵּאֵר (b. h.) to proclaim (cmp. Deut. I, 5), to explain; to make clear (to one’s self), to understand clearly. Y. M. Kat. III, 83ᵇ top לבָאֵר משנתו to explain (argue on) what he has learned. Koh. R. to VI, 9 better is he שהוא מְבָאֵר משנתו וכ׳ who dwells on his studies to make them clear to himself, than he who learns to recite fluently.—Part. pass. מְבֹאָר proven, clear. Yad. III, 1 מ׳ הדבר (Talm. ed. מ׳ את הד׳) from this fact it is proven.