Definition of 3:

• being one more than two

Usage examples for 3

1. 3 He saw much of her after this first visit.  The Man Upstairs and Other Stories by P. G. Wodehouse

2. 3. If you should lose a note?  Studies in Civics by James T. McCleary

3. 1, 2, 3, etc.  The Monikins by J. Fenimore Cooper

4. 3. Reverse of the first proceedings.  Further Experiences of an Irish R.M. by E. OEnone Somerville Martin Ross