Mostly-women Olympics sport, familiarly

• Happening simultaneously, in combinations
• Kind of swimming (abbr)

WordNet Word definitions in WordNet
n. a system consisting of a generator and a motor so connected that the motor will assume the same relative position as the generator; the generator and the motor are synchronized [syn: selsyn ]

Wiktionary Word definitions in Wiktionary
n. (context sports informal English) Any synchronized event, such as synchronized swimming

Wikipedia Word definitions in Wikipedia
A synchro is, in effect, a transformer whose primary-to-secondary coupling may be varied by physically changing the relative orientation of the two windings. Synchros are often used for measuring the angle of a rotating machine such as an antenna platform. ...