Lewis & Short

fulmenta, ae, f. [contr. from fulcimenta, from fulcio] (ante-class.),

  1. I. a prop, support of a building, Cato, R. R. 14, 1.
  2. II. In partic., the heel of a shoe, Lucil. ap. Non. 206, 26; Plaut. Trin. 3, 2, 94.