Sentence:  The elegant image remained, though imprinted in a child so small as to be easily portable by a stout nurse, I remember, and not less easily <WSD>duckable</WSD>; I gasp again, and was long to gasp, with the sense of salt immersion received at her strong hands. 
Meaning of the word marked with <WSD> tags:  Capable of being ducked, i.e. immersed in liquid.