from Latin trucīdātiōnem, noun of action from trucīdāre to cut to pieces, kill cruelly, slaughter
1623 - The English Dictionarie, or an Interpreter of hard English Words, Henry Cockeram -
Trucidation, a cruell murder
From: The Poetical Works of Thomas Moore
Volume IX, 1841
Satirical and Humorous Poems.
Romanism in Ireland.