send (something) in

send (something) in

To submit or dispatch some piece of writing. I've sent my application in, hopefully I'll hear back soon. The employees have sent in a letter of complaint to upper management about their working conditions.
See also: send

send in

1. Cause to be dispatched or delivered, as in Let's send in a letter of protest to the hiring committee. [Early 1700s]
2. Cause someone to become involved in a particular undertaking, as in This disagreement is serious; it's time to send in the lawyers, or In the final few minutes the coach sent in Richard on right wing. [Mid-1800s]
See also: send

send in

v.
1. To submit something, especially by mail or by electronic means: Let's send in a donation this year. I sent my application for college in by e-mail.
2. To order someone or some group into a place: Will you please send in the next candidate on your way out of the office? They sent me in the garage to fetch a hammer.
3. To have someone enter or reenter a contest, conflict, or situation: The coach is sending in the kicker. The president sent troops in to suppress the riots.
See also: send