Sentence:  [F]rom the circle of delighted auditors listening to the "gentillesses" of the pink cockatoo, who was <WSD>sidling</WSD> on his stand in the sunshine, a whole party of the Beresfords caught sight of me, and in a minute I was surrounded; [...] 
Meaning of the word marked with <WSD> tags:  To (cause something to) move sideways. (from late 17th c.)