[n] a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
[n] a submerged ridge of rock or coral near the surface of the water
[v] reduce (a sail) by taking in a reef
[v] roll up (a portion of a sail) in order to reduce its area
[v] lower and bring partially inboard, as of a mast on a sailboat