Rotative \Ro"ta*tive\, a. [Cf. F. rotatif.]

turning, as a wheel; rotary; rotational.

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

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.

Source: Webster's Revised Unabridged Dictionary (1913)