refill -- (a prescription drug that is provided again; "he got a refill of his prescription"; "the prescription specified only one refill")
refill -- (a commercial product that refills a container with its appropriate contents; "he got a refill for his ball-point pen"; "he got a refill for his notebook")
Overview of verb refill
The verb refill has 1 sense
replenish, refill, fill again -- (fill something that had previously been emptied; "refill my glass, please")