Definition of "vail" []

• To lower (a banner, for example). (verb-transitive)
• To doff (one's hat) as a token of respect or submission. (verb-transitive)
• To descend; lower. (verb-intransitive)
• To doff one's hat. (verb-intransitive)
• Obsolete Variant of veil. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "V. viii.7 (146,1) Even with the vail and darkening of the sun] The _vail_ is, I think, the _sinking_ of the sun; not _veil_ or _cover_."
• "Wolf, you cant fool me, behind that thin vail on your face l can see through your deep desire to have Hillary as the nominee regardless of whichever way it comes."
• "In the tabernacle of the congregation without the vail, which is before the testimony, Aaron and his sons shall order it from evening to morning before the LORD: it shall be a statute for ever unto their generations on the behalf of the children of Israel."