Old man's beard and Spanish moss

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.

Spanish moss and old man's beard are semantically related. In some cases you can use "Spanish moss" instead a noun phrase "Old man's beard".

Spanish moss 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.

Old man's beard and Spanish moss are semantically related. You can use "Old man's beard" instead a noun phrase "Spanish moss".