From black + butt.
blackbutt (plural blackbutts)
- (chiefly Australia) Any of several Australian eucalyptus trees with a dark fibrous bark, especially Eucalyptus pilularis, having dark fibrous bark.
- 1985, Peter Carey, Illywhacker, Faber and Faber 2003, p. 175:
- I cut new timber with my saw and inhaled the sweet sour smell of blackbutt.