Definition of "veiled"

As usual, Ayesha was veiled like the marble Truth (by the way, I wonder if she originally got the idea of covering up her beauty from that statue?).

1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887

When asked about her veiled threat to Professor Jones, that she'd “be sorry,” Ms. Smith said she meant that she would file a formal complaint against Professor Jones for harassment.

2014, J. Reid Meloy, ‎Jens Hoffmann, International Handbook of Threat Assessment (page 121)