The DICT Development Group

  Rounder \Round"er\, n.
     1. One who rounds; one who comes about frequently or
        regularly.
        [1913 Webster]
  
     2. A tool for making an edge or surface round.
        [1913 Webster]
  
     3. pl. An English game somewhat resembling baseball; also,
        another English game resembling the game of fives, but
        played with a football.
        [1913 Webster]
  
              Now we play rounders, and then we played prisoner's
              base.                                 --Bagehot.
        [1913 Webster]

  rounder
      n 1: a dissolute person; usually a man who is morally
           unrestrained [syn: libertine, debauchee, rounder]
      2: a tool for rounding corners or edges

  76 Moby Thesaurus words for "rounder":
     Arab, Casanova, Don Juan, Lothario, bad lot, beach bum,
     beachcomber, beggar, bo, bum, bummer, debauchee, dissipater, dogie,
     free liver, gallant, gamin, gamine, gay deceiver, gay dog,
     good-for-nothing, guttersnipe, high liver, hobo, homeless waif,
     idler, lady-killer, landloper, lazzarone, libertine, loafer, losel,
     lover-boy, mudlark, night owl, nighthawk, no-good, philanderer,
     piker, profligate, ragamuffin, ragman, ragpicker, rake, rakehell,
     rip, roue, scapegrace, ski bum, skirt chaser, stiff, stray,
     street Arab, street urchin, sundowner, surf bum, swagman, swagsman,
     swinger, tatterdemalion, tennis bum, tramp, turnpiker, urchin, vag,
     vagabond, vagrant, waif, waifs and strays, walking phallus, wanton,
     waster, wastrel, wolf, woman chaser, womanizer