noun The process by which blister steel is rendered ductile by being forged with a tilt hammer.
noun A charging with (or as if with) a lance, as in jousting.
adjective Having the property that it is the quotient of a projective module by a projective submodule, having an ext functor with itself of 0, and there being a right module as the kernel of a surjective morphism between finite direct sums of its direct summands.