Clear and near the house, an honorable office in which the dreamer will practice benevolence; muddy brooks indicate loss; dried up brooks augur ruin to their owners (Artemidorus) ; the Bible justifies in a measure the promise of the dream of the brook: “And lo, my brook became a river, and my river a sea.”—Eccles. xxv, /. “A little fountain became a river, and there was light and the sun and much water. This river is Esther, and the two dragons are I and Hamon.”— From the Greek version of the book of Esther, quoted by Bayley.... The Fabric of Dream
To dream of rooks, denotes that while your friends are true, they will not afford you the pleasure and contentment for which you long, as your thoughts and tastes will outstrip their humble conception of life.
A dead rook, denotes sickness or death in your immediate future.... Ten Thousand Dream Interpretation