A quadrat can be used by researchers to methodically count organisms within a smaller, representative area in order to extrapolate to a larger habitat when comprehensive sampling is …

“Quadrat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrat. Accessed 24 Dec. 2025.

There are four meanings listed in OED's entry for the noun quadrat, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of 'quadrat' quadrat in British English (ˈkwɒdrət ) noun 1. ecology

Nov 1, 2025 · Quadrat n (strong, genitive Quadrats or Quadrates, plural Quadrate) (geometry) square (postpositioned) ellipsis of im Quadrat or zum Quadrat (“squared”) synonym Synonym: …

quadrat a plot of land, square or rectangular, marked off or set out for the study of plant or animal life.

A quadrat is a square or rectangular plot used in ecological research to isolate a standard unit of area for study of the distribution of an item over a large area. It helps scientists assess the …

quadrat - WordReference English dictionary, questions, discussion and forums. All Free.

Quadrat definition: A piece of type metal lower than the raised typeface, used for filling spaces and blank lines.

The study defines populations as the number of individuals in a given species in a 10,000-square-kilometer unit of habitat, known as a quadrat. From New York Times