rotary
Longman Dictionary of Contemporary English 5++LDOCE 5++ro·ta·ry1 /ˈrəʊtəri $ ˈroʊ-/ adjective [only before noun] 1 TURNturning in a circle around a fixed point, like a wheel 旋转的，转动的 the rotary movement of the helicopter blades 直升机螺旋桨叶的转动2 TEhaving a main part that turns like a wheel 有旋转部件的 a rotary engine 旋转式发动机
Examples from the Corpus
rotary• Beat in eggs one at a time, using a rotary beater, until satiny and fluffy.• a rotary dial phone• Telephones used to have slower rotary dials.• Between these two displays are the rotary encoder control and four push buttons.• Not long after our purchase, the rotary engine, well, melted.• Men's razors some in two styles, either with a foil head or with rotary heads.• This in turn made it a simple matter to adapt Watt's engine to provide rotary motion.• the rotary movement of the helicopter's blades• The Linotype machine and high-capacity rotary press produced mass circulation newspapers, which-until radio and television came along-largely replaced personal-encounter politics.• There were about 45 rotary steam corn mills built before 1800.rotary2 noun (plural rotaries) [countable] American Englishx-ref a roundabout 〔交叉路口的〕环岛Origin rotary (1700-1800) Medieval Latin rotarius, from Latin rota; → ROTATEro·ta·ry1 adjectiverotary2 nounChineseSyllable
a Corpus fixed like around point, a in a wheel circle turning
rotary
ro‧ta‧ry1 /ˈrəʊtəri $ ˈroʊ-/ 
adjective [only before noun]1. turning in a circle around a fixed point, like a wheel:
the rotary movement of the helicopter blades
2. having a main part that turns like a wheel:
a rotary engine
rotary2 noun (plural rotaries) [countable]
American English a roundabout
| I |
adjective [only before noun]1. turning in a circle around a fixed point, like a wheel: 2. having a main part that turns like a wheel:
| II |
noun (plural rotaries) [countable]American English a roundabout