תְּרוּעָה tᵉrûwʻâh (H8643)

clamor, i.e. acclamation of joy or a battle-cry; especially clangorof trumpets, as an alarum

1) alarm, signal, sound of tempest, shout, shout or blast of war or alarm or joy 1a) alarm of war, war-cry, battle-cry 1b) blast (for march) 1c) shout of joy (with religious impulse) 1d) shout of joy (in general)

from רוּעַ (H7321);