balsa /bölˈsə or balˈsə/

1. Corkwood, a tropical American tree (Ochroma lagopus) of the family Bombacaceae, with very light wood (also balˈsawood)
2. A raft or float

• RSNO
• RSNZ
• RSPB
• RSPCA
• RSS
• RSSA
• RSSPCC
• RSTM&H
• RSV
• RSVP
• rt
• RT
• RTA
• rtd
• RTE
• RTF
• Rt Hon.
• RTPI
• Rt Rev.
• RU
• Ru
• ruana
• ruanas
• rub
• rub-a-dub-dub