WordWeb Online

1. An opening that resembles a window between two rooms (especially a shelved opening between a kitchen and dining room that is used to pass dishes)

1. Make a passage or journey from one place to another
   "Some travellers pass through the desert"
   - transit, move through, pass across, pass over
    
2. Cause to move through
    
3. Pass through an enemy line; in a military conflict
   - infiltrate

Derived forms: pass-throughs, passed through, passing through, passes through

Type of: go across, go through, make pass, opening, pass