To make something physically stronger, denser, or more solid. The engineer used a roller to consolidate the soil before laying the foundation.
To combine a number of things into a single more effective or coherent whole. The two departments will consolidate their resources to improve efficiency.
To reinforce or strengthen one's position or power. The leader worked to consolidate his power by gaining the support of key allies.
To combine several loans or debts into a single liability, often with more favourable terms. She decided to consolidate her student loans to lower her monthly payments.