old man's beard Meaning, Definition & Usage

1. noun dense festoons of greenish-grey hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots; southeastern United States and West Indies to South America
   black moss; Spanish moss; long moss; Tillandsia usneoides.
   
2. noun vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn
   Clematis vitalba; traveller's joy; traveler's joy.
   
3. noun common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers
   devil's darning needle; Clematis virginiana; virgin's bower.
   

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