tuft(Informal)[noun]Synonyms: clump, bunch, cluster, collection, knot, tussock 
 [TahlilGaran] English Synonym Dictionary ▲
 tuft /tʌft/ 
 noun [countable][
Date: 1300-1400; 
Language: Old French; 
Origin: tufe]
 a bunch of hair, feathers, grass etc growing or held closely together at their base
tuft of tufts of grass
 tufts of grass  [TahlilGaran] Dictionary of Contemporary English ▲