send in

Definitions of send in

v mail in; cause to be delivered

Send in your comments”
Type of:
send, send out
to cause or order to be taken, directed, or transmitted to another place

v give one's name or calling card to a servant when making a formal visit

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, can put you on the path to systematic vocabulary improvement.