1. To utter a prayer to God or some other deity as an entreaty for the physical or spiritual wellbeing of someone. We've all been praying for you after the accident. Let us all bow our heads and pray for those unfortunate souls lost in the accident.
2. To utter a prayer to God or some other deity as an entreaty for something to happen or be granted. We've been praying for rain, but this drought is showing no sign of abating. I'll pray for a peaceful resolution to this conflict.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
pray for someone or something
1. to beseech God, or some other deity, on behalf of someone or something. I will pray for you to recover from your illness quickly. As the fire spread throughout the old church, the congregation prayed for its preservation.
2. to ask God, or some other deity, to grant something. The family prayed for David's safety. All the people prayed for peace.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.