While

Webster's Dictionary of the English Language

·prep Until; till.

II. While ·vi To Loiter.

III. While ·noun That which requires time; labor; pains.

IV. While ·conj Hence, under which circumstances; in which case; though; whereas.

V. While ·conj During the time that; as long as; whilst; at the same time that; as, while I write, you sleep.

VI. While ·noun Space of time, or continued duration, ·esp. when short; a time; as, one while we thought him innocent.

VII. While ·vt To cause to pass away pleasantly or without irksomeness or disgust; to spend or pass;

— usually followed by away.