an instrument of execution for execution by strangulation
source: WordNet 3.0
A Spanish mode of execution by strangulation, with an iron collar affixed to a post and tightened by a screw until life become extinct; also, the instrument by means of which the punishment is inflicted.
source: Webster 1913
verb
strangle with an iron collar
People were garrotted during the Inquisition in Spain.
source: WordNet 3.0
To strangle with the garrote; hence, to seize by the throat, from behind, with a view to strangle and rob.