vail

n. & v. t.

1. Same as Veil.

n.

1. Avails; profit; return; proceeds.
2. An unexpected gain or acquisition; a casual advantage or benefit; a windfall.
3. Money given to servants by visitors; a gratuity; -- usually in the plural.
4. Submission; decline; descent.

v. t.

1. To let fail; to allow or cause to sink.
2. To lower, or take off, in token of inferiority, reverence, submission, or the like.

v. i.

1. To yield or recede; to give place; to show respect by yielding, uncovering, or the like.