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

Canticles 2:17
Until the day break, and the shadows flee away, turn, my beloved, and be thou like a roe or a young hart upon the mountains of Bether.

Canticles 4:6
Until the day break, and the shadows flee away, I will get me to the mountain of myrrh, and to the hill of frankincense.

Jeremiah 6:4
Prepare ye war against her; arise, and let us go up at noon. Woe unto us! for the day goeth away, for the shadows of the evening are stretched out.