ring in
phrasal verb
rang in;
rung in;
ringing in;
rings in
Definition of ring in
1
: to celebrate the beginning of (something, such as a new year)
How did you ring in the new millennium? We're going to New York to ring in the New Year.
2
chiefly British
: to make a telephone call to a place (such as the place where one works)
She was feeling too ill to go to the office yesterday so she rang in sick.
3
: to make a telephone call to a radio or television program
Thousands of people rang in to make a donation.