The Collaborative International Dictionary of English v.0.48:

Prune \Prune\, v. t. [imp. & p. p. Pruned; p. pr. & vb. n.
   Pruning.] [OE. proine, probably fr. F. provigner to lay
   down vine stocks for propagation; hence, probably, the
   meaning, to cut away superfluous shoots. See Provine.]
   1. To lop or cut off the superfluous parts, branches, or
      shoots of; to clear of useless material; to shape or
      smooth by trimming; to trim: as, to prune trees; to prune
      an essay. --Thackeray.
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            Taking into consideration how they [laws] are to be
            pruned and reformed.                  --Bacon.
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            Our delightful task
            To prune these growing plants, and tend these
            flowers.                              --Milton.
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   2. To cut off or cut out, as useless parts.
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            Horace will our superfluous branches prune.
                                                  --Waller.
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   3. To preen; to prepare; to dress. --Spenser.
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            His royal bird
            Prunes the immortal wing and cloys his beak. --Shak.
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Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "pruned":
   Spartan, abbreviated, abridged, abstracted, aposiopestic, bobbed,
   brief, brusque, capsule, capsulized, clipped, close, compact,
   compendious, compressed, concise, condensed, contracted, crisp,
   cropped, curt, curtailed, cut, cut short, digested, docked, elided,
   elliptic, epigrammatic, gnomic, laconic, mowed, mown, nipped,
   pithy, pointed, pollard, polled, reaped, reserved, sententious,
   shaved, sheared, short, short and sweet, short-cut, shortened,
   snub, snubbed, succinct, summary, synopsized, taciturn, terse,
   tight, to the point, trimmed, truncated