Forms: 4–6 corolarie, 5 corelarie, 6–7 corolary, 7 corollarie, (correllarie), 6– corollary. [ad. L. corollārium money paid for a chaplet or garland, gratuity, corollary, properly neut. of adj. corollārius belonging to a chaplet, f. corolla a little crown or chaplet. With senses 3 and 4 cf. Cotgr. ‘Corolaire, a Corollarie; a surplusage, ouerplus, addition to, vantage aboue measure.’]
1. In Geom., etc. A proposition appended to another which has been demonstrated, and following immediately from it without new proof; hence gen. an immediate inference, deduction, consequence.
c. 1374. Chaucer, Boeth., III. x. 91. As þise geometriens whan þei han shewed her proposiciouns ben wont to bryngen in þinges þat þei clepen porismes … ryȝt so wil I ȝeue þe here as a corolarie or a mede of coroune.
c. 1449. Pecock, Repr., I. v. 25. Of whiche … folewith ferther this corelarie.
1551. Recorde, Pathw. Knowl., II. liii. Of this Theoreme dothe there folowe an other … whiche you maye calle … a Corollary vnto this laste theoreme.
1563–87. Foxe, A. & M. (1596), 467/2. The corolary or effect of this conclusion is, that [etc.].
1661. Bramhall, Just Vind., vi. 110. But where that Author infers as a corollary from the former proposition. That no edict of a Soveraign Prince can justifie schisme.
1722. Wollaston, Relig. Nat., ix. 214. This is but a corollary from what goes before.
1832. Lytton, Eugene A., I. v. That is scarcely a fair corollary from my remark.
1870. Jevons, Elem. Logic, xv. 135. [They] are in fact corollaries of the first six rules.
1874. Helps, Soc. Press., xvii. 239. There are corollaries to all axioms.
transf. 1828. Hawthorne, Fanshawe, vi. The lady of the house (and, as a corollary, her servant girl).
† b. A thesis, theorem; = CONCLUSION 6. Obs.
1636. Heylin, Sabbath, 47. It is a Corollary or conclusion in Geographie, that [etc.].
1800. Med. Jrnl., III. 243. Dr. Pearson’s Corollaries on the Cow-pox.
1821. Byron, Sardan., II. i. 380. You have codes, And mysteries, and corollaries of Right and wrong.
2. transf. Something that follows in natural course; a practical consequence, result.
1674. Govt. Tongue, vi. (ed. 2), 101. (J.). Since we have consider’d the malignity of this sin … tis but a natural Corolary that we inforce our vigilance against it.
1840. Carlyle, Heroes (1858), 305. The art of Writing, of which Printing is a simple, an inevitable … corollary.
1884. S. E. Dawson, Hand-bk. Canada, 29. This gigantic enterprise [the Canadian Pacific Railway] was a necessary corollary of the confederation of British America.
† 3. Something added to a speech or writing over and above what is usual or what was originally intended; an appendix; a finishing or crowning part, the conclusion. Obs.
1603. Holland, Plutarch’s Mor., 1262. With these verses as with Corollarie … I will conclude this my discourse.
1644. Bulwer, Chirol., 11. A Corollarie of the Speaking motions … of the Hand.
1649. Evelyn, Mem. (1857), III. 36. There is published a declaration … which, being now the corollary and επιφορὰ of what they have to say.
1676. Worlidge, Cyder (1691), 200. A Corollary of the Names and Natures of most Fruits growing in England.
1717. Prior, Alma, II. 122. Howe’er swift Alma’s flight may vary (Take this by way of Corollary).
† 4. Something additional or beyond the ordinary measure; a surplus; a supernumerary: Obs.
[1602. Carew, Cornwall, 123 b. The other side is also ouerlooked by a great hill … and for a Corollarium their Conduit water runneth thorow the Church-yard.]
1610. Shaks., Temp., IV. i. 57. Now come my Ariell, bring a Corolary, Rather then want a Spirit.
1613. R. C., Table Alph. (ed. 3), Correllarie, ouerplus, that is more then measure.
1681. trans. Willis’ Rem. Med. Wks., Vocab., Corollary, Addition, vantage, or overplus.
