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trapdoor
t r a p d o o r hex:#116;#114;#97;#112;#100;#111;#111;#114;
The Salt of the World?
- Trapdoor - n. - A lifting or sliding door covering an opening in a roof or floor.
- Trapdoor - n. - A door in a level for regulating the ventilating current; -- called also weather door.
- Trapper - n. - A boy who opens and shuts a trapdoor in a gallery or level.
- Tetraneumona - n. pl. - A division of Arachnida including those spiders which have four lungs, or pulmonary sacs. It includes the bird spiders (Mygale) and the trapdoor spiders. See Mygale.
- Valve - n. - A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry.