When You Doubt, Abstain.

Ultimatum, N. In Diplomacy, A Last Demand Before Resorting To Concessions.

Misericorde, N. A Dagger Which In Mediaeval Warfare Was Used By The Foot Soldier To Remind An Unhorsed Knight That He Was Mortal.

Zenith, N. The Point In The Heavens Directly Overhead To A Man Standing Or A Growing Cabbage. A Man In Bed Or A Cabbage In The Pot Is Not Considered As Having A Zenith, Though Horizontalists Hold That The Posture Of The Body Was Immaterial.

Predestination, N. The Doctrine That All Things Occur According To Programme. . . . Not Be Confused With That Of Foreordination. The Difference Is Great Enough To Have Deluged Christendom With Ink, To Say Nothing Of The Gore.

Definition: Connoisseur, N. A Specialist Who Knows Everything About Something And Nothing About Anything Else.