_Est modus in rebus._—There is a medium in all things. _Estoppel._—A stop, a preventive plea. _Esto perpetua._—May it last forever. _Et cætera._—And the rest. _Eureka._—I have found it. _Ex._—Out of; late (as, ex-consul.) _Ex animo._—Heartily. _Ex cathedrâ._—From the chair; with high authority. _Ex concesso._—From what has been granted. _Ex curiâ._—Out of court. _Ex fumo dare lucem._—Out of smoke to bring light. _Ex nihilo nihil fit._—Nothing can come of nothing. _Ex officio._—By virtue of his office. _Ex parte._—On one side only (before a noun, _exparte_.) _Ex pede Herculem._—We recognize a Hercules from the size of the foot: that is, we judge of the whole from the specimen. _Ex post facto._—After the deed is done. _Ex tempore._—Without premeditation. _Ex uno disce omnes._—From one learn all; from one judge of the whole. _Excelsior._—More elevated; onward. _Excerpta._—Extracts. _Exempli gratiâ._—As for example. _Exeunt omnes._—All retire. _Experimentum crucis._—A decisive experiment. _Experto credo._—Believe one who has experience. _Exposé._—An exposition; recital. _Faber suæ fortunæ._—The architect of his own fortune. _Facile primus, facile princeps._—By far the first or chiefest. _Facilis est descensus._—Descent is easy. _Fac simile._—Make it like; hence, an exact copy. _Fac totum._—Do all; a man of all work. _Facta est lux._—There was light. _Fas est ab hoste doceri._—It is allowable to learn even from an enemy. _Fata obstant._—The fates oppose it. _Fauteuil._—An easy-chair. _Faux pas._—A false step. _Felo de se._—A self-murderer. _Feme couverte._—A married woman. _Feme sole._—A woman unmarried. _Festina lente._—Hasten slowly; advance steadily rather than hurriedly. _Fête._—A feast or celebration. _Fête champêtre._—A rural feast. _Feu de joie._—A bonfire; a discharge of musketry on days of rejoicing. _Feuilleton._—A small leaf; a supplement to a newspaper; a pamphlet. _Fiat._—Let it be done. _Fiat justitia, ruat cœlum._—Let justice be done, though the heavens should fall. _Fiat lux._—Let there be light. _Fide, non armis._—By faith, not by arms. _Fide, sed cui vide._—Trust, but see whom. _Fides et justitia._—-Fidelity and justice. _Fidus Achates._—Faithful Achates (that is, a true friend.) _Fieri facias._—Cause it to be done (a kind of writ.) _Filius nullius._—A son of nobody. _Fille-de-chambre._—A chambermaid. _Finale._—To close or end. _Finem respice._—Look to the end. _Finis._—The end. _Finis coronat opus._—The end crowns the work. _Flagrante bello._—While the war is raging. _Flagrante delicto._—In the commission of the crime. _Flâneur._—A lounger. _Flecti, non frangi._—To be bent, not to be broken.