Numbers 10:3

As soon as they blow therewith, so soon hall all the assembly assemble themselves unto thee, unto the entrance of the tent of meeting.

Jeremiah 4:5

Declare ye in Judah And in Jerusalem, let it be heard, And say, Blow ye a horn in the land, - Cry, with frill voice And say, Gather yourselves together, And let us enter the defenced cities.

Joel 2:15-16

Blow ye a horn, in Zion, - hallow a fast, call a solemn assembly:

Treasury of Scripture Knowledge

Summary

And when they shall blow with them, all the assembly shall assemble themselves to thee at the door of the tabernacle of the congregation.

General references

Bible References

General references

Jeremiah 4:5
Declare ye in Judah And in Jerusalem, let it be heard, And say, Blow ye a horn in the land, - Cry, with frill voice And say, Gather yourselves together, And let us enter the defenced cities.
Joel 2:15
Blow ye a horn, in Zion, - hallow a fast, call a solemn assembly: