Webster’s Revised Unabridged Dictionary · 1913
Jararaca
Jar′a·ra′ca (jăr′ȧ·rä′kȧ; g. zhä′rȧ·rä′kȧ), n. [Pg., from the native name.] (Zoöl.) A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots.