Capstone

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Capstone \Cap"stone`\, n. (Paleon.)
     A fossil echinus of the genus {Cannulus}; -- so called from
     its supposed resemblance to a cap.
     [1913 Webster] Capsular

From WordNet (r) 2.0 [wn]:



  capstone
       n 1: a final touch; a crowning achievement; a culmination [syn: {finishing
            touch}, {copestone}]
       2: a stone that forms the top of wall or building [syn: {copestone},
           {coping stone}, {stretcher}]