Meaning of old man's beard

Definition of old man's beard

(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
vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn
common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers

Other information on old man's beard

WIKIPEDIA results for old man's beard
Amazon results for old man's beard