(uncountable, firearms, machinery)Recoil; a sudden backward motion, usually in the direction of the operator.
(countable, machinery) An accident wherein an object being cut by a rotatingblade or disk, such as a circular saw, is caught by the blade and thrown outward.
(oil industry) A dangerous buildup of gas pressure at the wellhead.
(countable, bowling) The board separating one bowlinglane from another at the pit end.
(uncountable, bridge) In contract bridge, an ace asking convention initiated by the first step above four of the agreed trump suit.
