Sentence:  Soon after breakfast Miss Matilda, having <WSD>galloped</WSD> and blundered through a few unprofitable lessons, and vengeably thumped the piano for an hour, in a terrible humour with both me and it, because her mama would not give her a holiday, ... 
Meaning of the word marked with <WSD> tags:  To go rapidly or carelessly, as in making a hasty examination.