Definitions for "Reef"
Keywords:  coral, sail, calcareous, mound, ridge
A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.
A large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore.
That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.
A buildup of limestone formed by skeletal remains of marine organisms. It often makes an excellent reservoir for petroleum.
A type of reservoir composed of rock (usually limestone) formed from the skeletal remains of marine plants and animals.
a limestone formation that is usually under water or just above it
is a mineral layer containing economic mineralization of interest; usually flat and tabular.
a gold-bearing sedimentary horizon, normally a conglomerate band, that may contain economic levels of gold.
A mineralised horizon containing economic levels of metal.
Keywords:  lode
Similar to "Lode".
lower and bring partially inboard; "reef the sailboat's mast"
a static nearshore fixture and provides a consistent peel line for waves (all other things being equal)
a surface-navigation hazard composed of consolidated material RFU
a structure built by organisms that rises above the surrounding seafloor
Keywords:  alive, animal, natural, system
a natural, alive animal system
a sculpture of living organisms, varied in color, texture, shape, and size
a dynamic environment that experiences constant growth and decline depending on which physical and biological forces are present
Keywords:  forum, race, employment, education
Race Employment and Education Forum
Keywords:  renewable, equity, energy, fund
Renewable Energy Equity Fund
Keywords:  bed, solid, stream, projection, water
Generally, any solid projection from the bed of a stream or other body of water.