WordWeb Online

1. Attached to land or farms
   "predial slaves"
    
2. Consisting of land or farms; landed
   "predial estate"

1. When using a telephone, to dial before; for example when the number is stored in memory before dialling, or entering a dialling code that needs to be entered before the main number
   "Make calls in the usual manner or predial the number and then send it out"

Derived forms: pre-dials, pre-dialed, pre-dialing