Dictionary

keelless en · ADJ

Etymology

From keel + -less.

Meanings

1. (not-comparable, qualifier:Of a water craft) having no keel.
   • Every vessel had several keelless whale-boats, pointed at both bow and stern, so that they could be rowed forwards or backwards. 1914, Sven Anders Hedin, From Pole to Pole:
2. (not-comparable, qualifier:Of a bird) having no keel on the sternum; acarinate.