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.
What Concerta Is Used For. Concerta is a central nervous system stimulant that is used to treat children and teens with âADHD. It can be prescribed to children who are over six years old, although, since it is a pill that must be swallowed, even some young children who are over age six may have problems taking it.