a durable, weather-resistant varnish applied to unpainted wooden areas, especially on ships.
a varnish made from sulfur, rosin, and linseed oil.
Origin of spar varnish
First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for spar varnish
When linoleum begins to show wear a coat of spar-varnish or carriage varnish will restore it satisfactorily.The Library of Work and Play: Housekeeping|Elizabeth Hale Gilman