Rashi on Jeremiah Chapter 42
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
וְקוֹל שׁוֹפָר. שֶׁתּוֹקְעִין הַצּוֹפִים לְהַזְהִיר אֶת הָעָם:
The Judaica Press complete Tanach with Rashi, translated by A. J. Rosenberg
the sound of the horn which the lookouts sound to warn the people.