'Wait' in the Bible

from thirty years old and upward until fifty years old shalt thou number them; all that enter in to wait upon the service, to do the work in the tent of meeting.

This is that which belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service in the work of the tent of meeting:

And if he thrust him of hatred, or hurled at him, lying in wait, so that he died,

But if he thrust him suddenly without enmity, or hurled upon him anything without lying in wait,