- Ecol. a sampling plot, usually one square meter, used to study and analyze plant or animal life
Origin: ME, variant, variety of quadrate ()
Used by arrangement with John Wiley & Sons, Inc.
- Printing A piece of type metal lower than the raised typeface, used for filling spaces and blank lines. Also called quad2.
- Ecology Any of a group of small, usually rectangular plots of land arranged for close study of the distribution of plants or animals in an area.
Origin: Middle English, a square geometric instrument, rectangular area; see quadrate.