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Meaning of superliner

su•per•lin•er

Pronunciation: (s'pur-lī"nur), [key]
— n.
  1. an ocean liner of relatively great size or speed.
  2. a railroad car or train providing express service and usually deluxe passenger accommodations.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.