prep until; till.
2. while ·vi to loiter.
3. while ·noun that which requires time; labor; pains.
4. while ·conj hence, under which circumstances; in which case; though; whereas.
5. while ·conj during the time that; as long as; whilst; at the same time that; as, while i write, you sleep.
6. while ·noun space of time, or continued duration, ·esp. when short; a time; as, one while we thought him innocent.
7. while ·vt to cause to pass away pleasantly or without irksomeness or disgust; to spend or pass;
usually followed by away.