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Webster 1913 Edition

Adj.

Provided with a shroud or shrouds.

Shrouded gear

(Mach.)

a cogwheel or pinion having flanges which form closed ends to the spaces between the teeth and thus strengthen the teeth by tying them together.

pp.

Dressed; covered; concealed; sheltered; overwhelmed.

shrouded ‎(comparative more shrouded, superlative most shrouded)

Wearing, or provided with a shroud.
Concealed or hidden from sight, as if by a shroud.
- 1914, Louis Joseph Vance, Nobody, chapter II:
  She wakened in sharp panic, bewildered by the grotesquerie of some half-remembered dream in contrast with the harshness of inclement fact, drowsily realising that since she had fallen asleep it had come on to rain smartly out of a shrouded sky.

shrouded