| Nautical hailing call |
AHOY |
| One giving to a cause |
BENEFACTOR |
| Organisation's influence in the community |
OUTREACH |
| Polynesian island group |
SAMOA |
| Puccini's Roman heroine |
TOSCA |
| Ralph - Emerson, US poet, philosopher |
WALDO |
| Ring-shaped reef |
ATOLL |
| Sir Ernest -, Irish-born Antarctic explorer |
SHACKLETON |
| Sudden occurrence (of war, disease, etc.) |
OUTBREAK |
| Variant form (of gene) |
MUTATION |
| Varsity Putney to Mortlake contest |
BOATRACE |
| Zen riddle |
KOAN |