Webster's English Dictionary

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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