The Collaborative International Dictionary of English v.0.48:

Rotative \Ro"ta*tive\, a. [Cf. F. rotatif.]
   turning, as a wheel; rotary; rotational.
   [1913 Webster]

         This high rotative velocity of the sun must cause an
         equatorial rise of the solar atmosphere. --Siemens.
   [1913 Webster]

   Rotative engine, a steam engine in which the reciprocating
      motion of the piston is transformed into a continuous
      rotary motion, as by means of a connecting rod, a working
      beam and crank, or an oscillating cylinder.
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