tri·tone 
(trītōn′)
(trītōn′)n.
Music
Music
An interval composed of three whole tones.
[Medieval Latin tritonus, from Greek tritonos, having three tones : tri-, three; see trei- in the Appendix of Indo-European roots + tonos, tone; see TONE.]
- throw someone a curve ball
- throw (someone) under the bus
- throw someone under the bus
- throwster
- throw the baby out with the bath water
- throw the book at
- throw/toss (one's) hat into the ring
- throw under the bus
- throw up
- throw up hands
- throw up (one's) hands
- throw up one's hands
- throw-weight
- throw weight
- throw weight around
- thru
- thrum
- thrum
- thrush
- thrush
- thrust
- thrust fault
- thrustful
- thrust stage
- thruway