• - (/). A combining form meaning posterior, back; as, postero-inferior, situated back and below; postero-lateral, situated back and at the side. Found on http://thinkexist.com/dictionary/meaning/postero/
Pos'te·ro - A combining form meaning posterior , back ; as, postero -inferior, situated back and below; postero -lateral, situated back and at the side. Found on http://www.encyclo.co.uk/webster/P/133