Tush /(tŭsh)/

Tush

interj.
  1. An exclamation indicating check, rebuke, or contempt; as, tush, tush! do not speak of it.
    Tush, say they, how should God perceive it?
    — Bk. of Com. Prayer (Ps. lxxiii. 11).

Tush

n.
  1. A long, pointed tooth; a tusk; -- applied especially to certain teeth of horses.

tush

n.
  1. The buttocks; -- a euphemism.