What does the word instep mean?

Usage examples for instep

  1. Occasionally, too, you catch a provokingly brief glimpse of a high, slender instep, and an ankle modeled to match it. – Border and Bastille by George A. Lawrence
  2. A due attention should also be given to the motion of the instep, to the air of sinking and rising; to the position of the hips, shoulders, and body; to the graceful management of the arms, and particularly to the giving the hand with a genteel manner, to the inflections of the neck and head, and especially to the so captivating modesty of the eye; in short, to the diffusing over the whole execution, an air of noble ease, and of natural gracefulness. – A Treatise on the Art of Dancing by Giovanni-Andrea Gallini