old man's beard
Concise Oxford English Dictionary © 2008 Oxford University Press:
old man's beard
▶noun
- 1 a wild clematis with grey fluffy hairs around the seeds. [Clematis vitalba (traveller's joy) and other species.]
- 2 a lichen forming shaggy greyish growths on trees. [Usnea barbata and related species.]
'old man's beard' also found in these Oxford entries:
