number two

Short definition from Wiktionary

Adjective

1. 1
   White, Caucasian.

Noun

1. 1
   Feces; the act of defecation.
2. 2
   A first mate.
3. 3
   A primary assistant; vice-leader.
4. 4
   The batsman who opens alongside the number one, but does not face the first delivery.
5. 5
   A backup goalkeeper.
6. 6
   A right back.
7. 7
   A somewhat small town, between a number one and a number three, where the success of a theatrical performance is unlikely to be very great.
8. 8
   A pencil with hardness level 2.
9. 9
   mistress (the other woman in an extramarital relationship, generally including sexual relations)
10. 10
    Used other than figuratively or idiomatically: see number, two.