Dictionary.net

• A canvas screen, formerly sometimes extended along the side of a vessel in a naval engagement, to conceal from the enemy the operations on board.

2010 - New Age Dictionary Database
By Oddity Software

• A canvas screen, formerly sometimes extended along the side of a vessel in a naval engagement, to conceal from the enemy the operations on board.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.