Definition of "refill"

refill¹

/ˈɹiː.fɪl/

noun
plural refills
1. A filling after the first.
2. An additional helping of food or drink.
  Quotations
  "Oh, gosh," he groaned, "and I'd have given anything for a refill of that suet! It was the wizardest muck we've had this week."
  1951, Anthony Buckeridge, Jennings Follows a Clue
3. (medicine, pharmacy) A repeat of a prescription.
4. A product containing materials to replace those used up by a piece of equipment.

refill²

/ˌɹiːˈfɪl/

verb
third-person singular simple present refills, present participle refilling, simple past and past participle refilled
1. To fill up once again.
2. (medicine, pharmacy) To repeat a prescription.