tuft
noun [ C ] uk/tʌft/ us/tʌft/
（尤指毛发、草等的）一束，一簇，一丛
a number of short pieces of hair, grass, etc. that grow closely together or are held together near the base
He had a few tufts of hair on his chin, but you couldn't really call it a beard. 他下巴上有几簇毛，但很难称其为胡须。