Verses with the word dromedaries in the Old Testament (3 verses):

1 Kings 4:28
Barley also and straw for the horses and dromedaries brought they unto the place where the officers were, every man according to his charge.

Esther 8:10
And he wrote in the king Ahasuerus' name, and sealed it with the king's ring, and sent letters by posts on horseback, and riders on mules, camels, and young dromedaries:

Isaiah 60:6
The multitude of camels shall cover thee, the dromedaries of Midian and Ephah; all they from Sheba shall come: they shall bring gold and incense; and they shall shew forth the praises of the LORD.