centerboard

It had a slot in the center of the cockpit, beside which rested a long centerboard.

Osh pulled up the centerboard as we came into shore alongside the fish pier.

Jorge Lima of Portugal recalls dropping from first place to last in a race here after a tarp that was floating beneath the surface caught his centerboard.

But the centerboard twice rubbed on the bottom lightly, so he took her back out a bit to deeper water until he had covered most of the bay and still found no sign of civilization.

It stays shallow a long way out, and until I could push the centerboard down, we drifted.