rotary

Etymology

Attested mid 18th century, from Medieval Latin rotarius, from Latin rota (“wheel”).

adj

1. Capable of rotation.
   Volatiles of kecap manis and its raw materials were extracted using Likens-Nickerson apparatus with diethyl ether as the extraction solvent. The extracts were then dried with anhydrous sodium sulfate, concentrated using a rotary evaporator followed by flushing using nitrogen until the volume was about 0.5 ml. 1997, A. J. Taylor, D. S. Mothram, editors, Flavour Science: Recent Developments, Elsevier, page 63
   A rotary engine revolves the heads rather than having pistons go back and forth.

noun

1. (New England, Atlantic Canada) A roundabout, traffic circle.
2. (chiefly with initial capital) Any of the clubs making up the international Rotary International movement for community service.