Obs. rare. [ad. L. tursio, -ōnem (Pliny).] A porpoise.
1655. Moufet & Bennet, Health’s Improv. (1746), 257. Porpoises, Tursions, or Sea-hogs, are … never good till they be fat.
1661. Lovell, Hist. Anim. & Min., 217. Porpaise…. Tursions, or Sea-hoggs are fatter than Dolphins.
[1706. Phillips (ed. Kersey), Tursio or Tyrsio, a Sea-fish like a Dolphin, which some take for a Sturgeon, and others for a Porpoise]
