from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The time between one occurrence and another; an interval.
- adv. During a period of intervening time; meanwhile.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The time spent waiting for another event; time in between.
- adv. during the interval; meanwhile
from the GNU version of the Collaborative International Dictionary of English
- n. The intervening time.
- adv. In the intervening time; during the interval.
from The Century Dictionary and Cyclopedia
- During the interval; in the interval between one specified period and another.
- n. The interval between one specified period and another: only in the phrase in the meantime, formerly also the meantime: properly two words (in the mean time), conventionally written as one, after the adverb.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the time between one event, process, or period and another
- adv. during the intervening time
From Middle English, as mean + time. Adverb is by ellipsis from in the meantime. (Wiktionary)