rum \rum\, n. probably shortened from prov. e. rumbullion a
   great tumult, formerly applied in the island of barbadoes to
   an intoxicating liquor.
   a kind of intoxicating liquor distilled from cane juice, or
   from the scummings of the boiled juice, or from treacle or
   molasses, or from the lees of former distillations. also,
   sometimes used colloquially as a generic or a collective name
   for intoxicating liquor.
   1913 webster

   rum bud, a grog blossom. colloq.

   rum shrub, a drink composed of rum, water, sugar, and lime
      juice or lemon juice, with some flavoring extract.
      1913 webster
see also:
rum bud rum shrub 

rum \rum\, a. formerly rome, a slang word for good; possibly of
   gypsy origin; cf. gypsy rom a husband, a gypsy.
   old-fashioned; queer; odd; as, a rum idea; a rum fellow.
   slang --dickens.
   1913 webster

rum \rum\, n.
   a queer or odd person or thing; a country parson. slang,
   obs. --swift.
   1913 webster

rum
     adj : beyond or deviating from the usual or expected; "a curious
           hybrid accent"; "her speech has a funny twang"; "they
           have some funny ideas about war"; "had an odd name";
           "the peculiar aromatic odor of cloves"; "something
           definitely queer about this town"; "what a rum fellow";
           "singular behavior" syn: curious, funny, odd, peculiar,
            queer, rummy, singular
     n 1: distilled from fermented molasses
     2: a card game based on collecting sets and sequences; the
        winner is the first to meld all their cards syn: rummy
see also:
curious funny odd peculiar queer rummy 
singular 

103 moby thesaurus words for "rum":
   john barleycorn, ok, absurd, ace-high, alcohol, alcoholic beverage,
   alcoholic drink, aqua vitae, ardent spirits, bad, bang-up,
   beverage, bizarre, bonzer, booze, boss, brew, bully, but good,
   cool, corking, crackerjack, curious, dandy, delicious, drink,
   ducky, eccentric, fab, fine and dandy, freaked out, freaky, funny,
   gear, great, grog, groovy, hard liquor, heavy, hot, hunky-dory,
   idiosyncratic, inebriant, intoxicant, intoxicating liquor, jam-up,
   just dandy, keen, kooky, liquor, little brown jug, marvy, mean,
   neat, nifty, nobby, odd, oddball, off, off the wall, okay, out,
   out of sight, outlandish, passing strange, peachy, peachy-keen,
   peculiar, potable, potation, punch bowl, quaint, queer, ripping,
   schnapps, scrumptious, singular, slap-up, smashing,
   social lubricant, solid, something else, spiffing, spiffy, spirits,
   strange, strong drink, strong waters, stunning, swell,
   the demon rum, the bottle, the cup, the flowing bowl,
   the luscious liquor, the ruddy cup, tough, toxicant, unearthly,
   water of life, weird, wizard, wondrous strange

rum, n.  generically, fiery liquors that produce madness in total
abstainers.