Meaning of spar varnish

spar' var"nish

Pronunciation: [key]
  1. a durable, weather-resistant varnish applied to unpainted wooden areas, esp. on ships.
  2. a varnish made from sulfur, rosin, and linseed oil.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.