Sentence:  It snuffles with its nose on Sylvia's lap in the manner peculiar to a dog. And Sylvia addresses it in the following peculiar manner: “ ... And is-ums also looking forward to lovely <WSD>walkie</WSD> home with Mother and God-Uncle, then?” 
Meaning of the word marked with <WSD> tags:  An outing for a dog; the taking of a dog for a walk.