DICT.TW Dictionary Taiwan

 hy·dro·foil /ˈhaɪdrəˌfɔɪl/
 水中舵

 hydrofoil
      n 1: a device consisting of a flat or curved piece (as a metal
           plate) so that its surface reacts to the water it is
           passing through; "the fins of a fish act as hydrofoils"
           [syn: foil]
      2: a speedboat that is equipped with hydrofoils that lift it so
         that it skims the water at high speeds; "the museum houses
         a replica of the jet hydroplane that broke the record"
         [syn: hydroplane]