A mattucashlass is a type of dagger worn concealed in the armpit and primarily used for close combat, part of traditional Scottish male Highland dress.[Duane, William A Military Dictionary Philadelphia, 1810] It is also referred to as an armpit dagger[ or a sleeve dagger in English. In Scots language, the alternative name skene-ochil or skene-occles can also be found.]
Etymology
The term mattucashlass derives from [Shaw, William Galic and English Dictionary 1780]
It is also known in Gaelic as the sgian-achlais (sgian meaning "knife"),
See also
