Rumbowline \Rum*bow"line\, n. (Naut.) Same as {Rombowline}. [1913 Webster]
Rombowline \Rom*bow"line\, n. [Etymol. uncertain.] (Naut.) Old, condemned canvas, rope, etc., unfit for use except in chafing gear. [Written also {rumbowline}.] [1913 Webster] Romeine