NOTE: a figurative extension of Sense 2
The proceedings were conducted under a cloak of secrecy.
The paratroopers dropped behind enemy lines under the cloak of darkness.
Illicit business was being conducted under a cloak of respectability.
WordNet 3.0 Sense Numbers: 1
Little Red Riding Hood wore a cloak with a hood on it.
The gentleman threw his cloak onto the muddy road for the lady to tread upon.
The charioteers wore royal blue cloaks and plumed helmets.
WordNet 3.0 Sense Numbers: 2
Commentary: Automatically generated NOTA sense (bbn)