metasternum
Met`a*ster"num, n. Etym: [Pref. meta- + sternum.] 1. (Anat.) Defn: The most posterior element of the sternum; the ensiform process; xiphisternum. 2. (Zoöl.) Defn: The ventral plate of the third or last segment of the thorax of insects.
Met`a*ster"num, n. Etym: [Pref. meta- + sternum.] 1. (Anat.) Defn: The most posterior element of the sternum; the ensiform process; xiphisternum. 2. (Zoöl.) Defn: The ventral plate of the third or last segment of the thorax of insects.