Learn about the different airships that make up Goodyear's current Blimp fleet â including the new Wingfoot Two, Wingfoot One and the Spirit of Innovation.
Noun[edit] concertina â(plural concertinas) (music) A musical instrument, like the various accordions, that is a member of the free-reed family of musical instruments, typically having buttons on both ends.
Generic Concerta. Methylphenidate ER (Concerta) is an expensive drug used to treat attention-deficit hyperactivity disorder (ADHD). It is also used to treat narcolepsy. This drug is slightly more popular than comparable drugs. It is available in brand and generic versions.