while
Pronunciation: (hwīl, wīl), [key] — n., conj., prep., v., whiled, whil•ing.
—n. - a period or interval of time: to wait a long while; He arrived a short while ago.
- a particular time or occasion.
- at or during this time; all along: She realized all the while that the cake would fall.
- worth one's time, trouble, or expense: The art exhibition that opened yesterday isn't worth your while.
—conj. - during or in the time that.
- throughout the time that; as long as.
- even though; although: While she appreciated the honor, she could not accept the position.
- at the same time that (showing an analogous or corresponding action): The floor was strewn with books, while magazines covered the tables.
—prep. - until.
—v.t. - to cause (time) to pass, esp. in some easy or pleasant manner (usually fol. by away).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.