trail over (something)
To extend, grow, or drape loosely over something. I'll never forget the image of my mother on her hospital bed when she passed away, her lovely golden hair trailing over the pillow. Vines and branches trailed over the walls of the mansion, undisturbed for nearly 30 years.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
trail over something
to lie behind, flowing out over something. Her long gown trailed over the marble floor. The flowering vine trailed over the wall, making a lovely little garden area.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.