1. additional amounts of something used to replace what has been used up
Usage: plural form
2. prescription medications that can be obtained again without a new prescription
Usage: medical context

1. fills something again after it has been emptied or used up
Usage: third person singular present

Examples

• The pen comes with two ink refills.
• I need to pick up my prescription refills from the pharmacy.
• She refills her water bottle several times a day.
• The coffee shop offers free refills on regular coffee.
• He refills the bird feeder every morning.
• The doctor authorized three refills for my medication.
• The waiter refills our glasses without being asked.