meanwhile

from WordNet (r) 3.0 (2006)

meanwhile
    adv 1: at the same time but in another place; "meanwhile, back
           at the ranch..."
    2: during the intervening time; "meanwhile I will not think
       about the problem"; "meantime he was attentive to his other
       interests"; "in the meantime the police were notified" [syn:
       {meanwhile}, {meantime}, {in the meantime}]
    n 1: the time between one event, process, or period and another;
         "meanwhile the socialists are running the government" [syn:
         {interim}, {meantime}, {meanwhile}, {lag}]

from The Collaborative International Dictionary of English v.0.48

Meantime \Mean"time`\, Meanwhile \Mean"while`\, n.
   The intervening time; as, in the meantime (or mean time).
   [1913 Webster] Meantime

from The Collaborative International Dictionary of English v.0.48

Meantime \Mean"time`\, Meanwhile \Mean"while`\, adv.
   In the intervening time; during the interval.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

22 Moby Thesaurus words for "meanwhile":
      ad interim, at a stretch, between acts, betweentimes,
      betweenwhiles, during the interval, during the time, en attendant,
      for a time, for the meantime, for the moment, for the nonce,
      in the interim, in the meanwhile, interim, interval, meantime,
      pendente lite, temporarily, the while, until then, while