Lake turnover occurs when the layers of water with noted temperature differences begin to mix together and the water and debris that has been sitting at the bottom of the lake begins to mix with the layers of water above it.
Definition of cautious. : careful about avoiding danger or risk cautious investors cautious optimism.
alertness and prudence in a hazardous situation; care; wariness: Landslides aheadâproceed with caution. 2. a warning against danger or evil; anything serving as a warning: By way of caution, he told me the difficulties I would face. 3. Informal. a person or thing that astonishes or causes mild apprehension: