Definition of tussock noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈtʌsək//
; NAmE NAmE//ˈtʌsək//
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a small area of grass that is longer and thicker than the grass around it Word Origin mid 16th cent.: perhaps an alteration of dialect tusk ‘tuft’, of unknown origin.
See the Oxford Advanced American Dictionary entry: tussock