reef¹ /rēf/

1. A chain of rocks at or near the surface of water
2. A shoal or bank
3. A gold-bearing lode or vein (orig Aust)
4. The encasing rock of a diamond-mine, all ground in the mine other than diamondiferous (S Afr)

• half-landing
• half-leather
• half-leathers
• half-length
• half-lengths
• half-life
• half-light
• half-lights
• halflin
• halfling
• halflings
• halflins
• half-lives
• half loaf
• half-loaf
• half-loaves
• half-marathon
• half-marathons
• half mast
• half-mast
• half masts
• half measure
• half measures
• half-miler
• half-milers