2 Samuel 10:5

When they told it unto David, he sent to meet them, because the men were greatly ashamed: and the king said, Tarry at Jericho until your beards be grown, and then return.

Cross-reference

1 Chronicles 19:5 gives the identical account of David sending his men to stay at Jericho until their beards grow.

1 Chronicles 19:4 describes the shaving and cutting of garments that led to David's instruction to stay at Jericho.