The Collaborative International Dictionary of English v.0.48:

Pantalet \Pan`ta*let"\, n. [Dim. of pantaloon.]
   One of the legs of the loose drawers worn by children and
   women; a pant leg; particularly, the lower part of such a
   garment, coming below the knee, often made in a separate
   piece; -- chiefly in the plural.
   [1913 Webster]