Webster’s Revised Unabridged Dictionary · 1913
Prothorax
Pro·tho′rax (prō·thō′răks), n. [Pref. pro- + thorax.] (Zoöl.) The first or anterior segment of the thorax in insects. See Illusts. of Butterfly and Coleoptera.
Webster’s Revised Unabridged Dictionary · 1913
Pro·tho′rax (prō·thō′răks), n. [Pref. pro- + thorax.] (Zoöl.) The first or anterior segment of the thorax in insects. See Illusts. of Butterfly and Coleoptera.