Search Result for "send in":
Wordnet 3.0

VERB (2)

1. mail in; cause to be delivered;
- Example: "Send in your comments"

2. give one's name or calling card to a servant when making a formal visit; 



WordNet (r) 3.0 (2006):

send in
    v 1: mail in; cause to be delivered; "Send in your comments"
    2: give one's name or calling card to a servant when making a
       formal visit