pass through

pass through (third-person singular simple present passes through, present participle passing through, simple past and past participle passed through)

1. To transit something.
2. To make something move through something else.

   The dough is passed through the pasta machine several times.

3. To infiltrate.

   We passed through enemy lines in the fog.

4. To undergo; to experience.

pass through (plural pass throughs)

1. (US) A framed, window-like aperture in the interior wall of a house, usually between a kitchen and dining room, through which items (especially food) can be passed. A serving hatch.