The Collaborative International Dictionary of English v.0.48:

Several \Sev"er*al\, n.
   1. Each particular taken singly; an item; a detail; an
      individual. [Obs.]
      [1913 Webster]

            There was not time enough to hear . . .
            The severals.                         --Shak.
      [1913 Webster]

   2. Persons oe objects, more than two, but not very many.
      [1913 Webster]

            Several of them neither rose from any conspicuous
            family, nor left any behind them.     --Addison.
      [1913 Webster]

   3. An inclosed or separate place; inclosure. [Obs.]
      [1913 Webster]

            They had their several for heathen nations, their
            several for the people of their own nation.
                                                  --Hooker.
      [1913 Webster]

   In several, in a state of separation. [R.] "Where pastures
      in several be." --Tusser.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Several \Sev"er*al\, a. [OF., fr. LL. separalis, fr. L. separ
   separate, different. See Sever, Separate.]
   1. Separate; distinct; particular; single.
      [1913 Webster]

            Each several ship a victory did gain. --Dryden.
      [1913 Webster]

            Each might his several province well command,
            Would all but stoop to what they understand. --Pope.
      [1913 Webster]

   2. Diverse; different; various. --Spenser.
      [1913 Webster]

            Habits and faculties, several, and to be
            distinguished.                        --Bacon.
      [1913 Webster]

            Four several armies to the field are led. --Dryden.
      [1913 Webster]

   3. Consisting of a number more than two, but not very many;
      divers; sundry; as, several persons were present when the
      event took place.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Several \Sev"er*al\, adv.
   By itself; severally. [Obs.]
   [1913 Webster]

         Every kind of thing is laid up several in barns or
         storehoudses.                            --Robynson
                                                  (More's
                                                  Utopia).
   [1913 Webster]

WordNet (r) 3.0 (2006):

several
    adj 1: (used with count nouns) of an indefinite number more than
           2 or 3 but not many; "several letters came in the mail";
           "several people were injured in the accident"
    2: considered individually; "the respective club members";
       "specialists in their several fields"; "the various reports
       all agreed" [syn: respective(a), several(a),
       various(a)]
    3: distinct and individual; "three several times"

Moby Thesaurus II by Grady Ward, 1.0:

127 Moby Thesaurus words for "several":
   a certain number, a few, a number, absolute, assorted, at odds,
   at variance, certain, concrete, considerable, contrary, contrasted,
   contrasting, defined, definite, departing, detailed, determinate,
   deviating, deviative, different, differentiated, differing,
   disaccordant, disagreeing, discordant, discrepant, discrete,
   discriminated, disjoined, disparate, dissimilar, dissonant,
   distinct, distinguished, distributional, distributive, divergent,
   diverging, divers, diverse, diversified, equal, esoteric, especial,
   even stephen, exceptional, express, extraordinary, few,
   fifty-fifty, fixed, half, half-and-half, halvers, heterogeneous,
   in disagreement, inaccordant, incompatible, incongruous,
   inconsistent, inconsonant, independent, individual, inharmonious,
   inner, intimate, irreconcilable, legion, many, many and various,
   minute, more, motley, multifarious, multitudinal, multitudinous,
   nonuniqueness, not a few, noteworthy, numerous, numerousness,
   of all sorts, one or two, parcel, particular, passel, per capita,
   per head, personal, pluralism, plurality, pluralness, poles apart,
   poles asunder, populous, precise, private, pro rata, proportional,
   proportionate, prorated, respective, separate, separated, single,
   singular, solipsistic, some, special, specific, sundry,
   two or three, umpteen, unconformable, unequal, unlike, upwards of,
   variant, varied, variegated, variety, various, varying, voluminous,
   widely apart, worlds apart



Bouvier's Law Dictionary, Revised 6th Ed (1856):

SEVERAL. A state of separation or partition. A several agreement or
covenant, is one entered into by two or more persons separately, each
binding himself for the whole; a several action is one in which two or more
persons are separately charged; a several inheritance, is one conveyed so as
to descend, or come to two persons separately by moieties. Several is
usually opposed to joint. Vide 3 Rawle, 306. See Contract; Joint Contract,
Parties to action.