Quick definitions from WordNet (synchronous)
▸ adjective: occurring or existing at the same time or having the same period or phase ("Recovery was synchronous with therapy- Jour.A.M.A.")
▸ adjective: (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
▸ Also see synchronous
▸ adjective: occurring or existing at the same time or having the same period or phase ("Recovery was synchronous with therapy- Jour.A.M.A.")
▸ adjective: (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
▸ Also see synchronous