Definition from Wiktionary, the free dictionary
Alternative forms 
- (grammar) A phrase that collectively modifies or describes a noun or pronoun and which can usually be used both attributively and predicatively, can be graded, and be modified by an adverb.
- That house down the block is a hideous shade of red.
- The road tarred on Thursday is the one we need to take.
Phrase that modifies or describes a noun or pronoun