1911 Encyclopædia Britannica/Petard
|←Petalite||1911 Encyclopædia Britannica, Volume 21
|See also Petard on Wikipedia; and our 1911 Encyclopædia Britannica disclaimer.|
PETARD (Fr. pétard, péter, to make a slight explosion), a device formerly used by military engineers for blowing in a gate or other barrier. It consisted of a small metal or wooden case, usually of sugar-loaf shape, containing a charge of powder and fired by a fuse.