Obs. [f. COVER v.1 + FIRE sb., after F. couvre-feu.] A utensil for covering up and preserving fire.
1715. Desaguliers, Fires Impr., 54. The Cover-Fire (as the Author calls it). Ibid., 129. The Cover-Fire Instruments.
1837. Penny Cycl., VIII. 234/1. An iron implement which is called a curfew, or cover-fire.