1
to make impure, harmful, or unusable by contact or mixture with something unclean; pollute; taint
2
the land and water lying next to a shoreline.
3
A reef composed mainly of coral and other organic matter of which parts have solidified into limestone.
4
Ecologya series of interrelated organisms in which the smallest is fed upon by a larger one, which in turn feeds a still larger one.
5
a mass of tiny, floating or drifting living beings occurring in a body of water, mostly algae and protozoa.
6
a portion of a large body of water or mass of air that moves in a certain direction.
7
of or pertaining to the sea; existing in or produced by the sea.
8
Also, sea•floor/ˈsiˌflɔr/ . the bottom of the sea; the ground at the bottom of the sea.
9
The regularly occurring rise and fall of the waters of the ocean