Brook / Stream dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Klaus Vollmar

See River, Water. Flowing emotions, allowing oneself to let go and give in, as in Cliff. Should you go with the flow, or are you just drifting about? Similar symbols are Flying, Sled, Parachute. Longing for quiet and nature. Also, keep in mind that the movements here mainly refer to the emotions.
Source: Little Giant Encyclopedia Author: Klaus Vollmar

Interpretation 2 — Raymond Buckland

Social advancement.

If it is rough water, there is the possibility of social gaffes and gossip.

See also River.

Source: Gypsy Dream Dictionary Author: Raymond Buckland