1. to close, block, or stop up an opening or passage
Usage: formal or technical; third-person singular present tense or plural form of 'obturate'

Examples

• The dentist obturates the root canal with a filling material.
• A blood clot obturates the wound to prevent further bleeding.
• The valve obturates the pipe when pressure builds up.
• Scar tissue sometimes obturates the artery, restricting blood flow.
• The surgeon carefully obturates the opening to ensure proper healing.