• (n.) Hence: A garment made of very thick cloth, that can defend against storm and cold; also, the cloth itself; fearnaught. • (n.) A fearless person. Found on http://thinkexist.com/dictionary/meaning/dreadnaught/
Dread'naught` noun 1. A fearless person. 2. Hence: A garment made of very thick cloth, that can defend against storm and cold; also, the cloth itself; fearnaught. Found on http://www.encyclo.co.uk/webster/D/120