The Collaborative International Dictionary of English v.0.48:

Team \Team\ (t[=e]m), n. [OE. tem, team, AS. te['a]m, offspring,
   progeny, race of descendants, family; akin to D. toom a
   bridle, LG. toom progeny, team, bridle, G. zaum a bridle,
   zeugen to beget, Icel. taumr a rein, bridle, Dan. t["o]mme,
   Sw. t["o]m, and also to E. tow to drag, tug to draw.
   [root]64. See Tug, and cf. Teem to bear.]
   1. A group of young animals, especially of young ducks; a
      brood; a litter.
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            A team of ducklings about her.        --Holland.
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   2. Hence, a number of animals moving together.
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            A long team of snowy swans on high.   --Dryden.
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   3. Two or more horses, oxen, or other beasts harnessed to the
      same vehicle for drawing, as to a coach, wagon, sled, or
      the like. "A team of dolphins." --Spenser.
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            To take his team and till the earth.  --Piers
                                                  Plowman.
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            It happened almost every day that coaches stuck
            fast, until a team of cattle could be procured from
            some neighboring farm to tug them out of the slough.
                                                  --Macaulay.
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   4. A number of persons associated together in any work; a
      gang; especially, a number of persons selected to contend
      on one side in a match, or a series of matches, in a
      cricket, football, rowing, etc.
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   5. (Zool.) A flock of wild ducks.
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   6. (O. Eng. Law) A royalty or privilege granted by royal
      charter to a lord of a manor, of having, keeping, and
      judging in his court, his bondmen, neifes, and villains,
      and their offspring, or suit, that is, goods and chattels,
      and appurtenances thereto. --Burrill.
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The Collaborative International Dictionary of English v.0.48:

Team \Team\, v. i.
   To engage in the occupation of driving a team of horses,
   cattle, or the like, as in conveying or hauling lumber,
   goods, etc.; to be a teamster.
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The Collaborative International Dictionary of English v.0.48:

Team \Team\, v. t.
   To convey or haul with a team; as, to team lumber. [R.]
   --Thoreau.
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WordNet (r) 3.0 (2006):

team
    n 1: a cooperative unit (especially in sports) [syn: team,
         squad]
    2: two or more draft animals that work together to pull
       something
    v 1: form a team; "We teamed up for this new project" [syn:
         team, team up]

Moby Thesaurus II by Grady Ward, 1.0:

110 Moby Thesaurus words for "team":
   age group, band, battalion, bevy, body, both, brace, bracket,
   brigade, bunch, cabal, cast, clique, cohort, collaborate, combine,
   company, complement, conjugate, conspire, contingent, cooperate,
   corps, coterie, couple, couple up, couplet, covey, crew, crowd,
   detachment, detail, distich, division, double harness,
   double-harness, double-team, doublet, duad, duet, duo, dyad, eight,
   eleven, equipage, faction, first string, first team, five, fleet,
   four-in-hand, gang, group, grouping, groupment, in-group,
   join together, join up, junta, link up, match, mate, mates, mob,
   movement, nine, out-group, outfit, pack, pair, pair off, party,
   peer group, phalanx, platoon, posse, randem, regiment, reserves,
   rig, rowing crew, salon, second string, second team, set,
   set of two, side, span, spike, spike team, squad, stable, string,
   tandem, team up, the two, third string, three-up, tribe, troop,
   troupe, turnout, twain, two, twosome, unicorn, unite, varsity,
   wing, yoke