suboctave /sub-okˈtiv/

1. The octave below
2. (also suboctave coupler) an organ coupler that gives an octave below

• dragsman
• dragsmen
• dragster
• dragsters
• drag up
• dragée
• dragées
• drail
• drailed
• drailing
• drails
• drain
• drainable
• drainage
• drainage basin
• drainage basins
• drainages
• drainage-tube
• drainage-tubes
• drainboard
• drained
• drainer
• drainers
• draining
• draining board