Wiktionary(0.00 / 0 votes)Rate this definition: 1  sergeant(Noun) UK army rank with NATO code OR-6, senior to corporal and junior to warrant officer ranks. 2  sergeant(Noun) The highest rank of noncommissioned officer in some non-naval military forces and police.
Organism: is an individual living thing, such as a plant, animal, bacterium, protest, or fungus. An organism has a body made up of smaller parts that work together. There are many different organisms. Some scientist estimate there to be as many as 100,000 different organisms on Earth. Sometimes organisms are grouped by the environment they live in. For example, marine organisms live in the ocean.
organism. 1  cultivar-An organism resulting from cultivation, from the combination of cultivated variety.. 2  scientific name-The recognized Latin name given to an organism, consisting of a genus and species, according to a taxonomy; also called the binomial name. 3  soma-The body of an organism.