guillotine.
1. f. machine invented in France to behead prisoners of death.
2. f. machine to cut paper, with a vertical blade, guided from a frame of iron.
3. f. Colloq. Procedure authorized by the regulations of various legislative chambers to contain the obstruction by setting term that has completed the discussion to proceed to the vote on a draft law.
1. loc. adj. said of a window or a blind: it opens and closes sliding along the slots of the siege, instead of rotating on hinges.