FLAK1nafnorðhvorugkynn. the hood of a cap; ok saumat flökin at höfði hennar, Sturl. ii. 77 C, (Ed. flókinn); hence flaka-ólpa, u, f. a cap with a hood or flap, Sturl. l. c.β. the flapper or fin, e. g. of a halibut.