tuba /tūˈbə, tooˈbə/

1. A straight trumpet (ancient Rome)
2. The bombardon (bass tuba) or (sometimes) other low-pitched brass instrument of the saxhorn class
3. A powerful organ reed stop
4. A tube (anatomy)

• tight-lipped
• tightly
• tightly-knit
• tightness
• tightnesses
• tightrope
• tightropes
• tights
• tight spot
• tightwad
• tightwads
• tighty-whities
• tiglon
• tiglons
• the story goes
• the straight and narrow
• the sum of things
• the Supreme Being
• the sword of Damocles
• theta
• the tail wagging the dog
• the tane
• thetas
• thetch
• thetched