Thunderbox

//ˈθʌndəbɒks// noun, slang

Definitions

Noun
  1. 1
    A chamber pot enclosed in a box; a portable commode. slang

    "True, our cash would run out, but Charleton wouldn't let us starve. He'd put us into shorts, and we should wash the dishes and clean the thunder-boxes and take out guests for walks."

  2. 2
    A blunderbuss; also, a cannon. obsolete

    "In the year 1346, at the battle of Crecy, the engliſh uſed a ſort of cannons, which were then called thunder-boxes."

  3. 3
    Any lavatory or toilet, especially a rudimentary outdoor latrine or toilet, or an outhouse. Australia, British, broadly, slang

    "Meantime the ICE [Institute of Consumer Ergonomics] experts are poring over their photographs, and making measurements, which, presumably, will go into a computer, and out will come the specification for the perfect thunderbox."

  4. 4
    A box of metal balls which is shaken to create a thunder sound effect.

    "[T]wo articles, both indispensibly necessary to a theatre, are not blundered, viz. a property room, and thunder box!—no they are omitted altogether!!"

Etymology

Etymology 1

From thunder + box. Senses 1 and 2 (“portable commode; any lavatory or toilet”) are probably because of the noises that may be made while defecating.

Etymology 2

Probably a calque of German Donnerbüchse (“(archaic) blunderbuss; cannon”) (from Donner (“thunder”) + Büchse (“box; can; rifle”)), or its etymon Dutch donderbus (“blunderbuss”) (from donder (“thunder”) + bus (“box; container; (chiefly historical) type of early modern firearm”)).

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