veil

veil /v'eɪl/ (veils)
1 [N-COUNT]
A veil is a piece of thin soft cloth that women sometimes wear over their heads and which can also cover their face.
She's got long fair hair but she's got a veil over it...
2 [N-COUNT] usu sing, N of n
You can refer to something that hides or partly hides a situation or activity as a veil.
The country is ridding itself of its disgraced prime minister in a veil of secrecy...
The chilling facts behind this veil of silence were slow to emerge.
3 [N-COUNT] oft N of n
You can refer to something that you can partly see through, for example a mist, as a veil. (LITERARY)
The eruption has left a thin veil of dust in the upper atmosphere...
= haze
4 [PHRASE] V inflects, PHR n
If you draw a veil over something, you stop talking about it because it is too unpleasant to talk about.
The clamour to draw a veil over the minister's extra-marital activities reeks of hypocrisy.