Ses-quip'e-dal or Ses-quip-e-dā'li-an, a.

(Synon., § 130), a. [Prefix sesqui and pedal: Fr. sesquipédal, Lat. sesquipedalis.] Measuring or containing a foot and a half; as, a sesquipedalian pigmy;—sometimes humorously or derisively applied to long words.