- interference heard on a telephone or radio because of unintentional coupling to another communication channel.
- incidental conversation; chatter, as opposed to formal discussion: The meeting was slowed by cross talk between board members.
- witty, fast-paced dialogue, especially in a play, comic act, etc.; repartee.
- unwanted signals in one channel of a communications system as a result of a transfer of energy from one or more other channels
- rapid or witty talk or conversation