1. to pledge or use (an asset) as collateral for a loan or other obligation
Usage: chiefly British spelling; American English typically uses 'collateralize'; finance/banking term
2. to provide or secure with collateral
Usage: finance/banking term

Examples

• The company decided to collateralise its equipment to obtain a business loan.
• Banks often require borrowers to collateralise their mortgages with property.
• She collateralised her car to secure a personal loan.
• The firm collateralised its inventory to finance expansion.
• Investors may collateralise securities to access credit facilities.