1 : to make (someone) known to someone else by name
introduce two strangers
He introduced his guest.
Let me introduce myself: my name is John Smith.
— often + to
He introduced himself to the class.
She introduced her mother to her friends.
2 a : to cause (something) to begin to be used for the first time
They have been slow to introduce changes in procedure.
b : to make (something) available for sale for the first time
The designer is introducing a new line of clothes.
c : to present (something) for discussion or consideration
He introduced several issues during the meeting.
New evidence was introduced at the trial.
introduce a bill to Congress
3 : to bring (something, such as a type of plant or animal) to a place for the first time — often + to
an Asian plant that has been introduced to America