‖ hersillon Obs.
[F. hersillon, f. herse.]
| 1704 J. Harris Lex. Techn., Hersillon, in Fortification, is a Plank stuck with Iron Spikes, for the same use as the Herse. 1706 Phillips (ed. Kersey), Hersillon, a Plank Ten or Twelve Foot long stuck full of Nails, with the points up. |