Wall reef | Article about wall reef by The Free Dictionary
wall reef[′wȯl ¦rēf]
A linear, steep-sided coral reef constructed on a reef wall.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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We were in territory that no scuba diver could ever reach and things got decidedly murkier as we sank lower and lower in front of Grand Cayman's west wall reef