noun
Usage: usually capitalized S
1. : an epiphytic plant ( Tillandsia usneoides ) that forms pendant tufts of hairlike grayish green strands upon the trunks and branches of many trees in the southern United States and the West Indies — called also black moss, long moss, old-man's-beard
2. : a lichen ( Ramalina reticulata ) that forms lacelike masses on many trees in the Pacific coastal United States
[s]spanishm.jpg[/s] [
Spanish moss
]