1822 W. Annesley 36 A vessel..thus built, having an ordinary depth of centre keel,..aided by side keels of proportioned depth and length, would carry sail with a swept hold.
1909 7 Aug. 2/2 Close inshore a fleet of racing dinghies..spun round like tops upon their centre-keels.
1998 B. Roberts-Goodson ii. 38 Similar hulls were fitted with twin keels, centre keels and centre boards and sailed together.