We have no meanings for "heavy flail" in our records yet.
1 No one was in sight, and he had in his hands his heavy flail .
2 Seizing her beautiful hand, white and cold as marble, he lifted it, but the flash of the diamonds smote his heart like a heavy flail .
3 They transfixed some with their fatal harpoons; they dragged others from the path with boathooks; they beat out the brains of others with heavy flails .
4 We watch the patient laborers as with hand sickles they gather in the harvest and then with heavy flails separate the chaff from the grain.
Grammar, pronunciation and more
This collocation consists of: