What is to yield or recede; to give place; to show respect by yielding, uncovering, or the like. [Written also vale, and veil.] [Obs.] Thy convenience must vail to thy neighbor's necessity. South called?

vail — To yield or recede; to give place; to show respect by yielding, uncovering, or the like. [Written also vale, and veil.] [Obs.] Thy convenience must vail to thy neighbor's necessity. South. (Webster's 1913.)