DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   lido \lido\ n.
      1. [After the Lido, a group of sandy barrier islands between
         the lagoon of Venice and the Adriatic, a popular beach
         resort.] A recreational facility, especially one including
         a swimming pool for water sports. [British]
         [WordNet 1.5]