flail (fleɪl) n. 1. an instrument for threshing grain, consisting of a staff or handle to one end of which is attached a freely swinging stick or bar.

flail joint a joint with loss of function caused by loss of ability to stabilize the joint in any plane within its normal range of motion.

flail about To move one's body, often the limbs, in an erratic or clumsy way. The last time I tried ice skating, I spent most of the time flailing about and trying desperately not to fall. If you flail …

As intrapleural pressure becomes increasingly negative, the flail segment and its underlying lung tissue are sucked inward, collapsing the lung on the affected side and shifting the mediastinum …

Define Flaily. Flaily synonyms, Flaily pronunciation, Flaily translation, English dictionary definition of Flaily. a. 1. Acting like a flail. Webster's Revised Unabridged Dictionary, published 1913 by …

As intrapleural pressure becomes increasingly negative, the flail segment and its underlying lung tissue are sucked inward, collapsing the lung on the affected side and shifting the mediastinum …

As intrapleural pressure becomes increasingly negative, the flail segment and its underlying lung tissue are sucked inward, collapsing the lung on the affected side and shifting the mediastinum …

flail around To move one's body, often the limbs, in an erratic or clumsy way The last time I tried ice skating, I spent most of the time flailing around and trying desperately not to fall.

valve (redirected from flail mitral valve) Also found in: Dictionary, Thesaurus, Encyclopedia.

Flail a primitive agricultural implement for threshing grain, consisting of a wooden handle up to 2 m long and a short (up to 0.8 m) beater connected by a rawhide strap.