Sentence:  Martha Schuyler , old , slow , careful of foot , came down the great staircase , dressed in her best lace-drawn black silk , her jeweled <WSD>shoe</WSD> buckles held forward . 
Meaning of the word marked with <WSD> tags:  footwear shaped to fit the foot (below the ankle) with a flexible upper of leather or plastic and a sole and heel of heavier material