proa definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a swift, canoe-like Malayan boat having a lateen sail and one outrigger
Origin: Malay perahu, probably ; from a Dravidian language
proa definition by American Heritage Dictionary
also prau or prah·unoun
A swift Malayan sailboat with a triangular sail and single outrigger.
Origin: Malay perahu, probably from Marathi paḍāv.