noun
Usage: sometimes capitalized I&M
: a supposed medieval instrument of torture consisting of an iron frame in human form hinged to admit a victim who was impaled on the spiked interior as the frame closed
noun
Usage: sometimes capitalized I&M
: a supposed medieval instrument of torture consisting of an iron frame in human form hinged to admit a victim who was impaled on the spiked interior as the frame closed
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012