Concertina

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Concertina \Con`cer*ti"na\, n. [From It. concerto a concert.]
     A small musical instrument on the principle of the accordion.
     It is a small elastic box, or bellows, having free reeds on
     the inside, and keys and handles on the outside of each of
     the two hexagonal heads.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  concertina
       n 1: coiled barbed wire used as an obstacle
       2: free-reed instrument played like an accordion by pushing its
          ends together to force air through the reeds
       v : collapse like a concertina