From D&D Wiki
 Simple Melee Weapons
|Seax||+2||1d6||—||3 gp||2 lb.||Heavy Blade||Brutal 1|
A short thick knife with a broad spine and rounded or notched edge. Used with either a hacking or stabbing movement and favored amongst barbarian tribes as a sidearm if an axe or sword is lost. The seax' thick blade make wounds more severe than knives of a similar length.