Rotary

Adjective

 * 1) Having rotation.
 * A rotary engine revolves the heads rather than having pistons go back and forth.

Noun

 * 1) A traffic circle.
 * 2) An international club for community service.

Thesaurus
O-shaped, alternate, ambagious, ascending, axial, back, back-flowing, backhanded, backward, beating, carrefour, circling, circuitous, circular, circumgyratory, circumvolutory, cloverleaf, crossing, crosspoint, crossroad, crosswalk, crossway, cyclic, cyclonic, descending, deviating, deviative, devious, digressive, discursive, down-trending, downward, drifting, epochal, even, every other, excursive, flowing, fluent, flying, flyover, going, grade crossing, gulfy, gyral, gyrational, gyratory, gyrostatic, helical, indirect, intercrossing, intermittent, intersection, isochronal, level crossing, meandering, measured, metronomic, mounting, oblique, orbital, oscillatory, out-of-the-way, overcrossing, overpass, passing, periodical, plunging, progressive, pulsing, reciprocal, recurrent, recurring, reflowing, refluent, regressive, retrogressive, rhythmic, rising, rotational, rotatory, round, roundabout, running, rushing, seasonal, serial, sideward, sinking, soaring, spiral, steady, streaming, swirly, tornadic, traffic circle, trochilic, undercrossing, undulant, undulatory, up-trending, upward, vertiginous, viaduct, vortical, wavelike, wheeling, whirlabout, whirligig, whirlwindish, whirlwindy, whirly