Mantrap
Pronunciation : Man"trap`
Part of Speech : n.
Definition : 1. A trap for catching trespassers. [Eng.]
2. A dangerous place, as an open hatch, into which one may fall.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder