occurring or existing at the same time or having the same period or phase; "recovery was synchronous with therapy"- Jour.A.M.A.; "a synchronous set of clocks"; "the synchronous action of a bird's wings in flight"; "synchronous oscillations"
(digital communication) pertaining to a transmission technique that requires a common clock signal (a timing reference) between the communicating devices in order to coordinate their transmissions
the act of assuming or maintaining a seated position; "he read the mystery at one sitting"
(photography) the act of assuming a certain position (as for a photograph or portrait); "he wanted his portrait painted but couldn't spare time for the sitting"
a session as of a legislature or court
not moving and therefore easy to attack; "a sitting target"