wall up


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wall something up

 
1. to seal something up behind a wall. We simply walled the old furnace up. It was cheaper than removing it. They walled up the old furnace.
2. to fill up an opening, such as a window or door, by building a wall. We will have to hire someone to wall the doorway up. They walled up the doorway.
See also: up, wall

wall up

v.
1. To block or close something, such as an opening or passage, with or as if with a wall: The safety inspector walled up the old mine shaft. The contractor walled the abandoned building up.
2. To confine or seal someone or something behind or as if behind a wall: The contractors walled up the wiring. In the fairy tale, a witch walled Rapunzel up in a tower.
3. To form a steep vertical surface. Used of an ocean wave: The wave walled up perfectly, and I dropped in.
See also: up, wall