| Noun | 1. | tussock - a bunch of hair or feathers or growing grassbunch, clump, cluster, clustering - a grouping of a number of similar things; "a bunch of trees"; "a cluster of admirers" wisp - a small tuft or lock; "wisps of hair" hexenbesen, staghead, witch broom, witches' broom - an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance coma - (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) |