from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative spelling of greyline.
Sorry, no etymologies found.
Gray Line Orlando ( grayline.com ) and Florida Dolphin Tours ( floridadolphintours.com ) have causeway and complex tickets available for higher prices—as does eBay.
Thank goodness for 20 meters and grayline on the lowbands - on 2009-04-24
"All tickets purchased on www. grayline.com are nonrefundable," it says.