Khmer Dictionary: សូម

1. សូម ( v ) [soom]
   to request, ask for; to beg, entreat; polite term used to introduce a sentence. It means 'please, would you..., would you please'
   Eg. សូម​ជំរាបមកលោកឳពុកនិងអ្នកម្តាយសូមជ្រាប: Dear father and mother (fairly formal greeting in a letter).