ˌjəˈstishēə(r) noun
( -s )
Etymology: Middle English, from (influenced by Middle English -ar ) Medieval Latin justiciarius, justitiarius, from Latin justitia justice + -arius -ary — more at justice
1. : a high royal judicial officer in medieval England ; especially : a justice of one of the superior courts
2.
[Medieval Latin justiciarius, justitiarius ]
: the chief political and judicial officer of the Norman and later kings of England until the 13th century — called also capital justiciar
3. : either of two chief judges under early Scotch kings and with jurisdiction north and south respectively of Forth