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1. A long, loose outer garment, usually having a hood and no sleeves.
2. Something that covers or conceals: a cloak of secrecy.
tr.v. cloaked, cloak·ing, cloaks
To cover or conceal with a cloak or something that acts like a cloak: mist that cloaks the mountains. See Synonyms at disguise, hide1.

[Middle English cloke, from Old North French cloque, cloak, bell (from its shape), from Medieval Latin clocca; see clock1.]
References in periodicals archive ?
Due to the way light spreads as it travels 6 called diffraction 6 the laser beam would spread to encompass entire solar systems after journeying many light years across space, bathing that distant planetary system within the cloaking beam.
The researchers said while their experiments involved cloaking a miniscule object they believe the technology could be made to conceal larger objects, with military and other possible applications.
As you can see in the photo above, and in the video below, the invisibility effect is rather effective - and, importantly, it creates very little "telltale" distortion that usually accompanies such early attempts at cloaking (the grid lines are perfectly straight and not magnified/minimized).
Recently, a review paper reviewed pointed out that the combination of "forward designs" and "inverse designs" rather than using a single cloaking strategy is very likely to make invisibility cloaks far more realistic.
Compared with the three-dimensional cloaks [1,13,14], the columnar cloaks can provide a perfect three-dimensional cloaking performance for wave incident from any direction.
Seven years ago, scientists at the Center for Metamaterials and Integrated Plasmonics at Duke University created a cloaking device.
In order to increase the cloaking performance and further reduce the complexity in physical realization, novel cloaks were designed by utilizing optimizations [19-22] to the multilayered anisotropic cloaks.
Cloaking components of buildings with pressurized rubber would prevent the powerful waves produced by an earthquake or attack from "seeing" the structure.
Invisibility cloaking, along with enhanced imaging and solar collection, are the three main areas of transformation optics supported through a multidisciplinary university research initiative managed by Dr.
A cloaking device can virtually conceal what is placed under it.
The researchers said the size of the cloaking area was not limited by the technology available.
The current cloaking device works in three dimensions, said Tolga Ergin, head researcher.