1. A lifting or sliding door covering an opening in a roof or floor.

2. <chemical>

A door in a level for regulating the ventilating current; called also weather door.

<zoology> Trapdoor spider, any one of several species of large spiders which make a nest consisting of a vertical hole in the earth, lined with a hinged lid, like a trapdoor. most of the species belong to the genus Cteniza, as the California species (C. Californica).

(01 Mar 1998)

tranylcypromine, tranylcypromine sulfate, trap, trap < Prev | Next > trap door, trap-door function, trapes

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Or "trapdoor" 1. back door.

2. trap-door function

(03 Feb 2009)

tranylcypromine sulfate, trap, trap, trapdoor < Prev | Next > trap-door function, trapes, trapeze

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