dilate
Cross references: 1. expand di.late \di--'la-t, 'di--.la-t, dil-'a-t\ \-*r\ vb [ME dilaten, fr. MF dilater, fr. L dilatare, lit., to spread]wide, fr. dis- + latus wide - more at LATITUDE archaic 1: to describe or set forth at length or in detail 2: to enlarge or expand in bulk or extent : DISTEND 1: to comment at length : DISCOURSE 2: to become wide : SWELL - di.la.tor n