seax

plural seaxes

1. historicalA short Saxon sword.

   The Pugio or Dagger was used by the Romans, a species of that weapon called the Hand Seax was worn by the Saxons, with which they massacred the English on Salisbury Plain in 476.

   1786, Francis Grose, A Treatise on Ancient Armour and Weapons, page 34

   1 more example

   It consisted of the arms of the City of London, Middlesex (three seaxes, or Saxon swords), Buckingham (a swan), and Hertford (a hart), arranged quarterly, on a background of crimson and ermine mantling […].

   1950 June, Michael Robbins, “Heraldry of London Underground Railways”, in Railway Magazine, page 380