...There are great possibilities in ducking mortars, also... 
William T. Hornaday 「Our Vanishing Wild Life」
...The grubs of the gray fly are endowed with a life buoy because they are first class liquefiers, ready to incur the danger of a ducking at any moment...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
... “Won’t be more than a ducking,” Mac said cheerfully...
Jeanie “Mrs. Aeneas” Gunn 「We of the Never-Never」
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