fire grenade

/F AY1 ER0 G R AH0 N EY0 D/
noun
  1. 1

    A thermite grenade.

  2. 2

    A white phosphorus grenade.

  3. 3

    A firebomb grenade.

  4. 4

    (obsolete, 19th century, firefighting) A glass bulb filled with caustic and often carcinogenic liquid chemicals that, when thrown and broken in a fire, smother the fire by removing oxygen.