plank‧ton /ˈplæŋktən/
noun [uncountable][
Date: 1800-1900;
Language: German;
Origin: Greek, from planktos 'wandering', from plazesthai 'to wander']
the very small forms of plant and animal life that live in water, especially the sea, and are eaten by fish
[TahlilGaran] Dictionary of Contemporary English ▲