a representation, esp one in the form of a tree diagram, of the constituent structure of a sentence
phrase marker in American English
noun
Linguistics(in generative grammar)
a representation of the constituent structure of a sentence, using a tree diagramor labeled bracketing
Also: phrase-marker
Word origin
[1960–65]This word is first recorded in the period 1960–65. Other words that entered Englishat around the same time include: Pap test, go-go, pop art, tag question, zip code