mas.sa denotes a prophetic pronouncement, often introducing a message concerning a people, place, or ruler.

The noun marks a prophetic pronouncement: it commonly introduces messages concerning named lands or peoples, and it can also refer to a pronouncement against a ruler or to the phrase “of the LORD” in discussion of prophetic speech.

1. Prophetic pronouncement or message heading · dominant

   The singular noun introduces announced messages concerning particular subjects: in Isaiah 13:1 the APB renders a pronouncement concerning Babylon, while Isaiah 19:1 introduces one concerning Egypt before describing the LORD's coming to Egypt. In 2 Kings 9:25 it identifies what the LORD had pronounced against Ahab, and in Jeremiah 23:36 it occurs in a warning about calling a person's own word “the oracle of the LORD.”

   2 Kings 9:25Isaiah 13:1Isaiah 19:1Isaiah 23:1Jeremiah 23:36Zechariah 12:1

In the Anselm Project Bible: Across the supplied verses, the APB regularly presents the noun as “oracle,” often followed by “concerning” a named subject; it also uses “oracles” in 2 Chronicles 24:27. These renderings describe the clauses rather than establish a separate English equivalent in every occurrence.