veil noun
1 piece of material for covering a woman's head
ADJ. bridal The bridal veil was fringed with lace.
VERB + VEIL wear | lift (back), remove, take off
VEIL + VERB cover sth A veil covered her face.
PREP. behind a/the ~ I couldn't see her face behind the veil.
2 sth that stops you knowing the full truth about sth
VERB + VEIL lift The government has decided to lift the veil on its plans. | draw It would be better to draw a veil over what happened next (= not talk about it).
PREP. behind/under ~ of The work is carried out behind a veil of secrecy.
You can also check other dicts: veil (English, 中文解释 ), wordnet sense, Collins Definition