[pas-throo, pahs-] 
| 1. | a windowlike opening, as one for passing food or dishes between a kitchen and a dining area. |
| 2. | a place through which one passes or is obliged to pass: Motorists used the park as a pass-through. The new gate will be a pass-through for security clearance. |
| 3. | passalong. |
| 4. | denoting a pass-through; passalong. |
