MEANTIME
meanwhile, meantime, in the meantime
(adverb) 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”
interim, meantime, meanwhile, lag
(noun) the time between one event, process, or period and another; “meanwhile the socialists are running the government”
Source: WordNet® 3.1
Etymology
Noun
meantime (countable and uncountable, plural meantimes)
The time spent waiting for another event; time in between.
Synonyms
• between-time, meanwhile; see also interim
Adverb
meantime (comparative more meantime, superlative most meantime)
during the interval; meanwhile
Usage notes
Usually appears sentence-initially.
Anagrams
• antimeme
Source: Wiktionary
Mean"time`, Mean"while`, n.
Definition: The intervening time; as, in the meantime (or mean time).
Mean"time`, Mean"while`, adv.
Definition: In the intervening time; during the interval.
Source: Webster’s Unabridged Dictionary 1913 Edition