Valmiki Ramayana Sundara Kanda Sarga 57 Shloka 26
Original Shlokaते प्रीताः पादपाग्रेषु गृह्य शाखाः सुविष्ठिताः।।5.57.26।। वासांसीव प्रशाखाश्च समाविध्यन्त वानराः।
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ते वानराः those vanaras, प्रीताः happily, पादपाग्रेषु from the tree top, शाखाः branches, गृह्य holding, सुविष्ठिताः waiting, प्रशाखाः the branches, वासांसीव like clothes, समाविध्यन्त shook them.
Waiting for Hanuman, the vanaras jumped from the tree tops holding the branches. They shook the branches just like clothes to welcome friends.