Webster's Revised Unabridged Dictionary · 1913

Sanguinary

Sanguinary , adjective

[Latin sanguinarius, from sanguis blood: compare French sanguinaire.]

1.
Attended with much bloodshed; bloody; murderous; as, a sanguinary war, contest, or battle.
We may not propagate religion by wars, or by sanguinary persecutions to force consciences. — Bacon
2.
Bloodthirsty; cruel; eager to shed blood.
Passion... makes us brutal and sanguinary. — Broome

Sanguinary , noun

[Latin herba sanguinaria an herb that stanches blood: compare French sanguinaire. See Sanguinary, a.]

(a)
(Botany) The yarrow.
(b)
(Botany) The Sanguinaria.