Sentence:  And when they were back again going through the figure, they made a real pantomime of it, with coquettish smiles and <WSD>curvettings</WSD> on her part, roguish glances and bold advances on his. 
Meaning of the word marked with <WSD> tags:  ("of a person") Caper, frisking, often with a nuance of flirtation.