Lewis & Short

sup-plōdo (subpl-), or sup-plaudo (subpl-), si, 3, v. a. and n.,

  1. I. to stamp the foot: pedem nemo in illo judicio supplosit, * Cic. de Or. 1, 53, 230; so, pedem, Sen. Ep. 75, 2.
  2. II. Trop.
    1. A. To clap in token of applause, to applaud (eccl. Lat.): male nobis supplaudimus, Tert. Idol. 12: diversae parti, id. Pud. 19.
    2. * B. To tread under foot, to destroy: calumniam, Macr. Somn. Scip. 1, 2, § 3.