mahogany reef
n.— «The South-Easter was honking up to 40+ knots and only four boats crossed the start line, which meant I was forced to abandon the race as there were no valid minimum class entries. Most skippers sensibly remained at their moorings or at the “mahogany reef.”» —“Race Reports / Voyages 2004 Summer Season” Trazz’s Home Page (Capetown, South Africa) Dec. 8, 2004. (source: Double-Tongued Dictionary)