Webster’s Revised Unabridged Dictionary · 1913
Roundtop
Round′top′ (round′tŏp′), n. (Naut.) A top; a platform at a masthead; — so called because formerly round in shape.
Webster’s Revised Unabridged Dictionary · 1913
Round′top′ (round′tŏp′), n. (Naut.) A top; a platform at a masthead; — so called because formerly round in shape.