Quadrat Word Meaning

late Middle English (in sense ‘instrument for measuring altitude or distance’): from Latin quadratum quadrate

each of a number of small areas of habitat, typically of one square metre, selected at random to act as samples for assessing the local distribution of plants or animals.

small area of habitat for assessing distribution of plants or animals

(in letterpress printing) a small block of metal, lower than the face of the type, inserted to fill up short lines or adjust spacing.

small block of metal inserted to adjust spacing