[ 'tri:z(ə)n ]
■ noun
1》 (also high ~ ) the crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government.
2》 ( petty ~ ) historical the crime of murdering a master or husband.
Derivatives
~ous adjective
Origin
ME: from Anglo-Norman Fr. treisoun , from L. traditio(n-) , from tradere 'hand over'.