'Appointment' in the Bible

{And then} in the morning Jonathan went out to the field for the appointment with David, and a young boy [was] with him.

And Jehiel, Azaziah, Nathan, Asahel, Jerimoth, Jozabad, Eliel, Ismachiah, Mahath, and Benaiah [were] chief officers under the hand of Conaniah and Shimei, his brother, by appointment of King Hezekiah. And Azaraiah [was] leader of the house of God.