To take the veil (Eccl.), to receive or be covered with, a veil, as a
nun, in token of retirement from the world; to become a nun.
Veil (?), v. t. [imp. & p. p. Veiled (?); p. pr. & vb. n. Veiling.]
[Cf. OF. veler, F. voiler, L. velarc. See Veil, n.] [Written also
vail.]