To send from one person, thing, or place to another; convey. See Synonyms at convey, send1. To cause to spread; pass on: transmit an infection. To impart or convey to others by heredity or inheritance; hand down. To pass along (news or information); communicate. Electronics To send (a signal), as by wire or radio. Physics To cause (a disturbance) to propagate through a medium. To convey (force or energy) from one part of a mechanism to another. To send out a signal.