1ro·ta·ry 
/ˈroʊtəri/ adjective
always used before a noun /ˈroʊtəri/ adjective 1 : turning around a central point like a wheel
▪ a rotary blade ▪ the rotary action of the wheel 2 : having a part that turns around a central point like a wheel
▪ an old-fashioned rotary phone [=a phone with a dial that turns around a central point]
▪ a rotary blade ▪ the rotary action of the wheel
▪ an old-fashioned rotary phone [=a phone with a dial that turns around a central point]
