a protocol developed for the internet to get data from one network device to another
"TCP uses a retransmission strategy to insure that data will not be lost in transmission"
Initialism of to complete party (followed by total number in group. Code used in OSI to advise an airline that other passengers are travelling with a person but are booked separately)
"The travel agent marked the passenger's ticket with TCP 3 to indicate that two additional travelers were booked on separate reservations for the same flight."
In plain English: TCP describes something that is very reliable and follows strict rules to make sure everything gets done correctly without mistakes.
"The server was configured to accept tcp connections from any device on the network."
Initialism of Transmission Control Protocol.
"The data was successfully transmitted over tcp after establishing a secure connection between the two servers."