If your plan includes prescription drug coverage, you may have to pay coinsurance or a copayment when you buy your prescriptions. See Medicare Prescription Drug Plans below, but note that under a Medicare Advantage Prescription Drug plan, you wouldn't be paying a separate premium for the prescription drug coverage.
Definition of gratis. Did You Know? Gratis comes from the Latin word for favor; so in English a party favor is a small item given gratis to everyone attending a party. Gratis is used as both an adjective (The drinks were gratis) and an adverb (Drinks were served gratis). But however it's used, it means free.
Gracias is defined as thank you in Spanish. An example of gracias is what you say after someone helps you in a Spanish-speaking country. thank you.