Photo by: Olin Feuerbacher. The Protista, or Protoctista, are a kingdom of simple eukaryotic organisms, usually composed of a single cell or a colony of similar cells. Protists live in water, in moist terrestrial habitats, and as parasites and other symbionts in the bodies of multicellular eukaroytes.Other eukaryotic kingdomsâthe Plantae, Fungi, and Animaliaâare each believed to be monophyletic.lveolates include dinoflagellates, aquatic forms with two flagella and a cell wall made of armorlike cellulose plates; Paramecium and other familiar ciliates; and the Apicomplexa, a group of intracellular parasites that includes Plasmodium, the cause of malaria, and Toxoplasma, the cause of toxoplasmosis.
Top Definition. player. A male who is skilled at manipulating (playing) others, and especially at seducing women by pretending to care about them, when in reality they are only interested in sex. Possibly derived from the phrases play him for a fool, or play him like a violin. male who is skilled at manipulating (playing) others, and especially at seducing women by pretending to care about them, when in reality they are only interested in sex. Possibly derived from the phrases play him for a fool, or play him like a violin.
a: either one of two players on the offensive team who play in positions on the line of scrimmage next to the guards. b: either one of two players on the defensive team who play in positions near the center of the line of scrimmage â see also nose tackle. 4. [count, noncount] : an arrangement of ropes and wheels used for lifting or pulling something heavy â see also block and tackle. 5. [noncount] British, informal: a man's sexual organs. tackle /ËtaekÉl/ ËtÃ¦kÉl. verb