1. plural of amtrac; amphibious tracked vehicles used by military forces
Usage: military

Examples

• The Marines loaded their equipment into the amtracs before the beach assault.
• Several amtracs moved through the surf toward the shoreline.
• The battalion’s amtracs provided crucial support during the amphibious operation.
• Maintenance crews worked on the amtracs between training exercises.
• The amtracs carried troops and supplies from ship to shore.