One who refuses to give consent to an agreement in the hope of an improved offer; one who holds out; one who clings to a cause that has been mostly abandoned.

(fencing) A thrust given in return after parrying a lunge. / A quick and usually witty response to a taunt. / An answer or reply, rapidly uttered, in response to a question or problem.

Alternative form of erythroedema

To separate the components of a mixture by electrophoresis